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Finding the Fourth Proportional to 60,437.88, 83,377.50 and 40,275.12

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Solution

The fourth proportional to 60,437.88, 83,377.50 and 40,275.12 is: 55,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,437.88 : 83,377.50 = 40,275.12 : x
  2. Step 2: Convert to fraction form
    60,437.88/83,377.50 = 40,275.12/x
  3. Step 3: Cross multiply
    60,437.88x = 83,377.50 × 40,275.12
  4. Step 4: Simplify right side
    60,437.88x = 3,358,038,817.80
  5. Step 5: Solve for x
    x = 3,358,038,817.80/60,437.88
  6. Step 6: Final answer
    x = 55,561.82

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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.