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Finding the Fourth Proportional to 60,574.15, 91,265.02 and 55,791.91

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Solution

The fourth proportional to 60,574.15, 91,265.02 and 55,791.91 is: 84,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,574.15 : 91,265.02 = 55,791.91 : x
  2. Step 2: Convert to fraction form
    60,574.15/91,265.02 = 55,791.91/x
  3. Step 3: Cross multiply
    60,574.15x = 91,265.02 × 55,791.91
  4. Step 4: Simplify right side
    60,574.15x = 5,091,849,781.99
  5. Step 5: Solve for x
    x = 5,091,849,781.99/60,574.15
  6. Step 6: Final answer
    x = 84,059.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.