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Finding the Fourth Proportional to 8,241.77, 12,362.65 and 5,473.85

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Solution

The fourth proportional to 8,241.77, 12,362.65 and 5,473.85 is: 8,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.77 : 12,362.65 = 5,473.85 : x
  2. Step 2: Convert to fraction form
    8,241.77/12,362.65 = 5,473.85/x
  3. Step 3: Cross multiply
    8,241.77x = 12,362.65 × 5,473.85
  4. Step 4: Simplify right side
    8,241.77x = 67,671,202.52
  5. Step 5: Solve for x
    x = 67,671,202.52/8,241.77
  6. Step 6: Final answer
    x = 8,210.77

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Half scale
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Double scale
Find fourth proportional to 8,242.77, 12,364.14 and 5,474.85
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.