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Finding the Fourth Proportional to 40,432.42, 60,646.60 and 15,484.42

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Solution

The fourth proportional to 40,432.42, 60,646.60 and 15,484.42 is: 23,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,432.42 : 60,646.60 = 15,484.42 : x
  2. Step 2: Convert to fraction form
    40,432.42/60,646.60 = 15,484.42/x
  3. Step 3: Cross multiply
    40,432.42x = 60,646.60 × 15,484.42
  4. Step 4: Simplify right side
    40,432.42x = 939,077,425.97
  5. Step 5: Solve for x
    x = 939,077,425.97/40,432.42
  6. Step 6: Final answer
    x = 23,225.85

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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.