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Finding the Fourth Proportional to 16,702.86, 25,059.09 and 7,925.70

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Solution

The fourth proportional to 16,702.86, 25,059.09 and 7,925.70 is: 11,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.86 : 25,059.09 = 7,925.70 : x
  2. Step 2: Convert to fraction form
    16,702.86/25,059.09 = 7,925.70/x
  3. Step 3: Cross multiply
    16,702.86x = 25,059.09 × 7,925.70
  4. Step 4: Simplify right side
    16,702.86x = 198,610,829.61
  5. Step 5: Solve for x
    x = 198,610,829.61/16,702.86
  6. Step 6: Final answer
    x = 11,890.83

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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.