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Finding the Fourth Proportional to 70,552.20, 105,800.72 and 25,562.87

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Solution

The fourth proportional to 70,552.20, 105,800.72 and 25,562.87 is: 38,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,552.20 : 105,800.72 = 25,562.87 : x
  2. Step 2: Convert to fraction form
    70,552.20/105,800.72 = 25,562.87/x
  3. Step 3: Cross multiply
    70,552.20x = 105,800.72 × 25,562.87
  4. Step 4: Simplify right side
    70,552.20x = 2,704,570,602.02
  5. Step 5: Solve for x
    x = 2,704,570,602.02/70,552.20
  6. Step 6: Final answer
    x = 38,334.32

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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.