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Finding the Fourth Proportional to 64,895.52, 97,343.28 and 25,471.20

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Solution

The fourth proportional to 64,895.52, 97,343.28 and 25,471.20 is: 38,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.52 : 97,343.28 = 25,471.20 : x
  2. Step 2: Convert to fraction form
    64,895.52/97,343.28 = 25,471.20/x
  3. Step 3: Cross multiply
    64,895.52x = 97,343.28 × 25,471.20
  4. Step 4: Simplify right side
    64,895.52x = 2,479,450,153.54
  5. Step 5: Solve for x
    x = 2,479,450,153.54/64,895.52
  6. Step 6: Final answer
    x = 38,206.80

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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.