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Finding the Fourth Proportional to 11,767.53, 17,658.27 and 4,750.92

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Solution

The fourth proportional to 11,767.53, 17,658.27 and 4,750.92 is: 7,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.53 : 17,658.27 = 4,750.92 : x
  2. Step 2: Convert to fraction form
    11,767.53/17,658.27 = 4,750.92/x
  3. Step 3: Cross multiply
    11,767.53x = 17,658.27 × 4,750.92
  4. Step 4: Simplify right side
    11,767.53x = 83,893,028.11
  5. Step 5: Solve for x
    x = 83,893,028.11/11,767.53
  6. Step 6: Final answer
    x = 7,129.20

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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.