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Finding the Fourth Proportional to 15,758.70, 21,751.47 and 11,044.14

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Solution

The fourth proportional to 15,758.70, 21,751.47 and 11,044.14 is: 15,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.70 : 21,751.47 = 11,044.14 : x
  2. Step 2: Convert to fraction form
    15,758.70/21,751.47 = 11,044.14/x
  3. Step 3: Cross multiply
    15,758.70x = 21,751.47 × 11,044.14
  4. Step 4: Simplify right side
    15,758.70x = 240,226,279.89
  5. Step 5: Solve for x
    x = 240,226,279.89/15,758.70
  6. Step 6: Final answer
    x = 15,244.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.