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Finding the Fourth Proportional to 69,841.36, 96,385.98 and 42,627.79

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Solution

The fourth proportional to 69,841.36, 96,385.98 and 42,627.79 is: 58,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,841.36 : 96,385.98 = 42,627.79 : x
  2. Step 2: Convert to fraction form
    69,841.36/96,385.98 = 42,627.79/x
  3. Step 3: Cross multiply
    69,841.36x = 96,385.98 × 42,627.79
  4. Step 4: Simplify right side
    69,841.36x = 4,108,721,314.38
  5. Step 5: Solve for x
    x = 4,108,721,314.38/69,841.36
  6. Step 6: Final answer
    x = 58,829.34

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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.