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Finding the Fourth Proportional to 60,070.86, 82,900.13 and 39,892.95

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Solution

The fourth proportional to 60,070.86, 82,900.13 and 39,892.95 is: 55,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,070.86 : 82,900.13 = 39,892.95 : x
  2. Step 2: Convert to fraction form
    60,070.86/82,900.13 = 39,892.95/x
  3. Step 3: Cross multiply
    60,070.86x = 82,900.13 × 39,892.95
  4. Step 4: Simplify right side
    60,070.86x = 3,307,130,541.62
  5. Step 5: Solve for x
    x = 3,307,130,541.62/60,070.86
  6. Step 6: Final answer
    x = 55,053.82

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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.