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Finding the Fourth Proportional to 10,089.65, 15,134.48 and 4,899.17

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Solution

The fourth proportional to 10,089.65, 15,134.48 and 4,899.17 is: 7,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.65 : 15,134.48 = 4,899.17 : x
  2. Step 2: Convert to fraction form
    10,089.65/15,134.48 = 4,899.17/x
  3. Step 3: Cross multiply
    10,089.65x = 15,134.48 × 4,899.17
  4. Step 4: Simplify right side
    10,089.65x = 74,146,290.21
  5. Step 5: Solve for x
    x = 74,146,290.21/10,089.65
  6. Step 6: Final answer
    x = 7,348.75

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Similar ratio
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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.