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Finding the Fourth Proportional to 62,070, 85,641.66 and 36,577.41

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Solution

The fourth proportional to 62,070, 85,641.66 and 36,577.41 is: 50,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,070 : 85,641.66 = 36,577.41 : x
  2. Step 2: Convert to fraction form
    62,070/85,641.66 = 36,577.41/x
  3. Step 3: Cross multiply
    62,070x = 85,641.66 × 36,577.41
  4. Step 4: Simplify right side
    62,070x = 3,132,550,110.90
  5. Step 5: Solve for x
    x = 3,132,550,110.90/62,070
  6. Step 6: Final answer
    x = 50,468.02

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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.