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Finding the Fourth Proportional to 65,039.78, 97,557.42 and 27,575.76

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Solution

The fourth proportional to 65,039.78, 97,557.42 and 27,575.76 is: 41,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,039.78 : 97,557.42 = 27,575.76 : x
  2. Step 2: Convert to fraction form
    65,039.78/97,557.42 = 27,575.76/x
  3. Step 3: Cross multiply
    65,039.78x = 97,557.42 × 27,575.76
  4. Step 4: Simplify right side
    65,039.78x = 2,690,220,000.14
  5. Step 5: Solve for x
    x = 2,690,220,000.14/65,039.78
  6. Step 6: Final answer
    x = 41,362.69

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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.