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Finding the Fourth Proportional to 67,598.87, 101,412.60 and 25,478.06

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Solution

The fourth proportional to 67,598.87, 101,412.60 and 25,478.06 is: 38,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,598.87 : 101,412.60 = 25,478.06 : x
  2. Step 2: Convert to fraction form
    67,598.87/101,412.60 = 25,478.06/x
  3. Step 3: Cross multiply
    67,598.87x = 101,412.60 × 25,478.06
  4. Step 4: Simplify right side
    67,598.87x = 2,583,796,180.17
  5. Step 5: Solve for x
    x = 2,583,796,180.17/67,598.87
  6. Step 6: Final answer
    x = 38,222.48

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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.