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Finding the Fourth Proportional to 67,033.52, 92,510.52 and 40,177.28

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Solution

The fourth proportional to 67,033.52, 92,510.52 and 40,177.28 is: 55,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,033.52 : 92,510.52 = 40,177.28 : x
  2. Step 2: Convert to fraction form
    67,033.52/92,510.52 = 40,177.28/x
  3. Step 3: Cross multiply
    67,033.52x = 92,510.52 × 40,177.28
  4. Step 4: Simplify right side
    67,033.52x = 3,716,821,064.99
  5. Step 5: Solve for x
    x = 3,716,821,064.99/67,033.52
  6. Step 6: Final answer
    x = 55,447.20

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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.