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Finding the Fourth Proportional to 29,471.64, 44,188.02 and 11,920.92

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Solution

The fourth proportional to 29,471.64, 44,188.02 and 11,920.92 is: 17,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.64 : 44,188.02 = 11,920.92 : x
  2. Step 2: Convert to fraction form
    29,471.64/44,188.02 = 11,920.92/x
  3. Step 3: Cross multiply
    29,471.64x = 44,188.02 × 11,920.92
  4. Step 4: Simplify right side
    29,471.64x = 526,761,851.38
  5. Step 5: Solve for x
    x = 526,761,851.38/29,471.64
  6. Step 6: Final answer
    x = 17,873.52

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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.