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Finding the Fourth Proportional to 29,951.40, 41,337.64 and 19,772.40

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Solution

The fourth proportional to 29,951.40, 41,337.64 and 19,772.40 is: 27,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,951.40 : 41,337.64 = 19,772.40 : x
  2. Step 2: Convert to fraction form
    29,951.40/41,337.64 = 19,772.40/x
  3. Step 3: Cross multiply
    29,951.40x = 41,337.64 × 19,772.40
  4. Step 4: Simplify right side
    29,951.40x = 817,344,353.14
  5. Step 5: Solve for x
    x = 817,344,353.14/29,951.40
  6. Step 6: Final answer
    x = 27,289.02

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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.