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Finding the Fourth Proportional to 42,425.44, 63,623.04 and 16,123.20

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Solution

The fourth proportional to 42,425.44, 63,623.04 and 16,123.20 is: 24,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425.44 : 63,623.04 = 16,123.20 : x
  2. Step 2: Convert to fraction form
    42,425.44/63,623.04 = 16,123.20/x
  3. Step 3: Cross multiply
    42,425.44x = 63,623.04 × 16,123.20
  4. Step 4: Simplify right side
    42,425.44x = 1,025,806,998.53
  5. Step 5: Solve for x
    x = 1,025,806,998.53/42,425.44
  6. Step 6: Final answer
    x = 24,179.05

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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.