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Finding the Fourth Proportional to 91,675.59, 126,519.62 and 53,957.13

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Solution

The fourth proportional to 91,675.59, 126,519.62 and 53,957.13 is: 74,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,675.59 : 126,519.62 = 53,957.13 : x
  2. Step 2: Convert to fraction form
    91,675.59/126,519.62 = 53,957.13/x
  3. Step 3: Cross multiply
    91,675.59x = 126,519.62 × 53,957.13
  4. Step 4: Simplify right side
    91,675.59x = 6,826,635,314.10
  5. Step 5: Solve for x
    x = 6,826,635,314.10/91,675.59
  6. Step 6: Final answer
    x = 74,465.14

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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.