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Finding the Fourth Proportional to 16,913.18, 25,363.02 and 7,045.76

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Solution

The fourth proportional to 16,913.18, 25,363.02 and 7,045.76 is: 10,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.18 : 25,363.02 = 7,045.76 : x
  2. Step 2: Convert to fraction form
    16,913.18/25,363.02 = 7,045.76/x
  3. Step 3: Cross multiply
    16,913.18x = 25,363.02 × 7,045.76
  4. Step 4: Simplify right side
    16,913.18x = 178,701,751.80
  5. Step 5: Solve for x
    x = 178,701,751.80/16,913.18
  6. Step 6: Final answer
    x = 10,565.83

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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.