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Finding the Fourth Proportional to 25,129.60, 37,694.40 and 22,710.40

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Solution

The fourth proportional to 25,129.60, 37,694.40 and 22,710.40 is: 34,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.60 : 37,694.40 = 22,710.40 : x
  2. Step 2: Convert to fraction form
    25,129.60/37,694.40 = 22,710.40/x
  3. Step 3: Cross multiply
    25,129.60x = 37,694.40 × 22,710.40
  4. Step 4: Simplify right side
    25,129.60x = 856,054,901.76
  5. Step 5: Solve for x
    x = 856,054,901.76/25,129.60
  6. Step 6: Final answer
    x = 34,065.60

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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.