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Finding the Fourth Proportional to 40,432.70, 60,646.98 and 15,484.70

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Solution

The fourth proportional to 40,432.70, 60,646.98 and 15,484.70 is: 23,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,432.70 : 60,646.98 = 15,484.70 : x
  2. Step 2: Convert to fraction form
    40,432.70/60,646.98 = 15,484.70/x
  3. Step 3: Cross multiply
    40,432.70x = 60,646.98 × 15,484.70
  4. Step 4: Simplify right side
    40,432.70x = 939,100,291.21
  5. Step 5: Solve for x
    x = 939,100,291.21/40,432.70
  6. Step 6: Final answer
    x = 23,226.26

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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.