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Finding the Fourth Proportional to 5,577.70, 8,366.55 and 4,713.70

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Solution

The fourth proportional to 5,577.70, 8,366.55 and 4,713.70 is: 7,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.70 : 8,366.55 = 4,713.70 : x
  2. Step 2: Convert to fraction form
    5,577.70/8,366.55 = 4,713.70/x
  3. Step 3: Cross multiply
    5,577.70x = 8,366.55 × 4,713.70
  4. Step 4: Simplify right side
    5,577.70x = 39,437,406.74
  5. Step 5: Solve for x
    x = 39,437,406.74/5,577.70
  6. Step 6: Final answer
    x = 7,070.55

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Half scale
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Double scale
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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.