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Finding the Fourth Proportional to 60,486.87, 90,748.76 and 30,925.47

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Solution

The fourth proportional to 60,486.87, 90,748.76 and 30,925.47 is: 46,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.87 : 90,748.76 = 30,925.47 : x
  2. Step 2: Convert to fraction form
    60,486.87/90,748.76 = 30,925.47/x
  3. Step 3: Cross multiply
    60,486.87x = 90,748.76 × 30,925.47
  4. Step 4: Simplify right side
    60,486.87x = 2,806,447,791.92
  5. Step 5: Solve for x
    x = 2,806,447,791.92/60,486.87
  6. Step 6: Final answer
    x = 46,397.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.