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Finding the Fourth Proportional to 60,697.53, 83,776.01 and 39,439.89

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Solution

The fourth proportional to 60,697.53, 83,776.01 and 39,439.89 is: 54,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,697.53 : 83,776.01 = 39,439.89 : x
  2. Step 2: Convert to fraction form
    60,697.53/83,776.01 = 39,439.89/x
  3. Step 3: Cross multiply
    60,697.53x = 83,776.01 × 39,439.89
  4. Step 4: Simplify right side
    60,697.53x = 3,304,116,421.84
  5. Step 5: Solve for x
    x = 3,304,116,421.84/60,697.53
  6. Step 6: Final answer
    x = 54,435.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.