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Finding the Fourth Proportional to 16,702.38, 25,053.57 and 6,839.42

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Solution

The fourth proportional to 16,702.38, 25,053.57 and 6,839.42 is: 10,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.38 : 25,053.57 = 6,839.42 : x
  2. Step 2: Convert to fraction form
    16,702.38/25,053.57 = 6,839.42/x
  3. Step 3: Cross multiply
    16,702.38x = 25,053.57 × 6,839.42
  4. Step 4: Simplify right side
    16,702.38x = 171,351,762.46
  5. Step 5: Solve for x
    x = 171,351,762.46/16,702.38
  6. Step 6: Final answer
    x = 10,259.12

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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.