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Finding the Fourth Proportional to 66,607.32, 99,832.56 and 24,473.40

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Solution

The fourth proportional to 66,607.32, 99,832.56 and 24,473.40 is: 36,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,607.32 : 99,832.56 = 24,473.40 : x
  2. Step 2: Convert to fraction form
    66,607.32/99,832.56 = 24,473.40/x
  3. Step 3: Cross multiply
    66,607.32x = 99,832.56 × 24,473.40
  4. Step 4: Simplify right side
    66,607.32x = 2,443,242,173.90
  5. Step 5: Solve for x
    x = 2,443,242,173.90/66,607.32
  6. Step 6: Final answer
    x = 36,681.29

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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.