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Finding the Fourth Proportional to 16,272.90, 24,402.06 and 6,407.10

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Solution

The fourth proportional to 16,272.90, 24,402.06 and 6,407.10 is: 9,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.90 : 24,402.06 = 6,407.10 : x
  2. Step 2: Convert to fraction form
    16,272.90/24,402.06 = 6,407.10/x
  3. Step 3: Cross multiply
    16,272.90x = 24,402.06 × 6,407.10
  4. Step 4: Simplify right side
    16,272.90x = 156,346,438.63
  5. Step 5: Solve for x
    x = 156,346,438.63/16,272.90
  6. Step 6: Final answer
    x = 9,607.78

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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.