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Finding the Fourth Proportional to 72,227.70, 108,349.65 and 22,307.40

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Solution

The fourth proportional to 72,227.70, 108,349.65 and 22,307.40 is: 33,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,227.70 : 108,349.65 = 22,307.40 : x
  2. Step 2: Convert to fraction form
    72,227.70/108,349.65 = 22,307.40/x
  3. Step 3: Cross multiply
    72,227.70x = 108,349.65 × 22,307.40
  4. Step 4: Simplify right side
    72,227.70x = 2,416,998,982.41
  5. Step 5: Solve for x
    x = 2,416,998,982.41/72,227.70
  6. Step 6: Final answer
    x = 33,463.60

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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.