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Finding the Fourth Proportional to 22,670.70, 34,006.05 and 15,672.30

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Solution

The fourth proportional to 22,670.70, 34,006.05 and 15,672.30 is: 23,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.70 : 34,006.05 = 15,672.30 : x
  2. Step 2: Convert to fraction form
    22,670.70/34,006.05 = 15,672.30/x
  3. Step 3: Cross multiply
    22,670.70x = 34,006.05 × 15,672.30
  4. Step 4: Simplify right side
    22,670.70x = 532,953,017.42
  5. Step 5: Solve for x
    x = 532,953,017.42/22,670.70
  6. Step 6: Final answer
    x = 23,508.45

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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.