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Finding the Fourth Proportional to 25,624.40, 38,446.20 and 10,053.20

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Solution

The fourth proportional to 25,624.40, 38,446.20 and 10,053.20 is: 15,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,624.40 : 38,446.20 = 10,053.20 : x
  2. Step 2: Convert to fraction form
    25,624.40/38,446.20 = 10,053.20/x
  3. Step 3: Cross multiply
    25,624.40x = 38,446.20 × 10,053.20
  4. Step 4: Simplify right side
    25,624.40x = 386,507,337.84
  5. Step 5: Solve for x
    x = 386,507,337.84/25,624.40
  6. Step 6: Final answer
    x = 15,083.57

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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.