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Finding the Fourth Proportional to 8,464.59, 11,681.28 and 4,927.73

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Solution

The fourth proportional to 8,464.59, 11,681.28 and 4,927.73 is: 6,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.59 : 11,681.28 = 4,927.73 : x
  2. Step 2: Convert to fraction form
    8,464.59/11,681.28 = 4,927.73/x
  3. Step 3: Cross multiply
    8,464.59x = 11,681.28 × 4,927.73
  4. Step 4: Simplify right side
    8,464.59x = 57,562,135.49
  5. Step 5: Solve for x
    x = 57,562,135.49/8,464.59
  6. Step 6: Final answer
    x = 6,800.35

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Half scale
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Double scale
Find fourth proportional to 8,465.59, 11,682.66 and 4,928.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.