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Finding the Fourth Proportional to 16,985.47, 25,306.02 and 16,148.97

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Solution

The fourth proportional to 16,985.47, 25,306.02 and 16,148.97 is: 24,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.47 : 25,306.02 = 16,148.97 : x
  2. Step 2: Convert to fraction form
    16,985.47/25,306.02 = 16,148.97/x
  3. Step 3: Cross multiply
    16,985.47x = 25,306.02 × 16,148.97
  4. Step 4: Simplify right side
    16,985.47x = 408,666,157.80
  5. Step 5: Solve for x
    x = 408,666,157.80/16,985.47
  6. Step 6: Final answer
    x = 24,059.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.