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Finding the Fourth Proportional to 10,294.58, 15,440.88 and 2,898.92

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Solution

The fourth proportional to 10,294.58, 15,440.88 and 2,898.92 is: 4,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294.58 : 15,440.88 = 2,898.92 : x
  2. Step 2: Convert to fraction form
    10,294.58/15,440.88 = 2,898.92/x
  3. Step 3: Cross multiply
    10,294.58x = 15,440.88 × 2,898.92
  4. Step 4: Simplify right side
    10,294.58x = 44,761,875.85
  5. Step 5: Solve for x
    x = 44,761,875.85/10,294.58
  6. Step 6: Final answer
    x = 4,348.10

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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.