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Finding the Fourth Proportional to 62,070.57, 93,130.76 and 28,352.57

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Solution

The fourth proportional to 62,070.57, 93,130.76 and 28,352.57 is: 42,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,070.57 : 93,130.76 = 28,352.57 : x
  2. Step 2: Convert to fraction form
    62,070.57/93,130.76 = 28,352.57/x
  3. Step 3: Cross multiply
    62,070.57x = 93,130.76 × 28,352.57
  4. Step 4: Simplify right side
    62,070.57x = 2,640,495,997.28
  5. Step 5: Solve for x
    x = 2,640,495,997.28/62,070.57
  6. Step 6: Final answer
    x = 42,540.22

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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.