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Finding the Fourth Proportional to 16,172.68, 24,254.70 and 7,411.72

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Solution

The fourth proportional to 16,172.68, 24,254.70 and 7,411.72 is: 11,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.68 : 24,254.70 = 7,411.72 : x
  2. Step 2: Convert to fraction form
    16,172.68/24,254.70 = 7,411.72/x
  3. Step 3: Cross multiply
    16,172.68x = 24,254.70 × 7,411.72
  4. Step 4: Simplify right side
    16,172.68x = 179,769,045.08
  5. Step 5: Solve for x
    x = 179,769,045.08/16,172.68
  6. Step 6: Final answer
    x = 11,115.60

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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.