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Finding the Fourth Proportional to 22,869.60, 34,300.08 and 9,722.40

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Solution

The fourth proportional to 22,869.60, 34,300.08 and 9,722.40 is: 14,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,869.60 : 34,300.08 = 9,722.40 : x
  2. Step 2: Convert to fraction form
    22,869.60/34,300.08 = 9,722.40/x
  3. Step 3: Cross multiply
    22,869.60x = 34,300.08 × 9,722.40
  4. Step 4: Simplify right side
    22,869.60x = 333,479,097.79
  5. Step 5: Solve for x
    x = 333,479,097.79/22,869.60
  6. Step 6: Final answer
    x = 14,581.76

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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.