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Finding the Fourth Proportional to 10,098.84, 15,124.86 and 9,748.65

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Solution

The fourth proportional to 10,098.84, 15,124.86 and 9,748.65 is: 14,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.84 : 15,124.86 = 9,748.65 : x
  2. Step 2: Convert to fraction form
    10,098.84/15,124.86 = 9,748.65/x
  3. Step 3: Cross multiply
    10,098.84x = 15,124.86 × 9,748.65
  4. Step 4: Simplify right side
    10,098.84x = 147,446,966.44
  5. Step 5: Solve for x
    x = 147,446,966.44/10,098.84
  6. Step 6: Final answer
    x = 14,600.39

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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.