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Finding the Fourth Proportional to 62,172.47, 85,798.02 and 33,878.15

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Solution

The fourth proportional to 62,172.47, 85,798.02 and 33,878.15 is: 46,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,172.47 : 85,798.02 = 33,878.15 : x
  2. Step 2: Convert to fraction form
    62,172.47/85,798.02 = 33,878.15/x
  3. Step 3: Cross multiply
    62,172.47x = 85,798.02 × 33,878.15
  4. Step 4: Simplify right side
    62,172.47x = 2,906,677,762.27
  5. Step 5: Solve for x
    x = 2,906,677,762.27/62,172.47
  6. Step 6: Final answer
    x = 46,751.85

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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.