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Finding the Fourth Proportional to 66,461.72, 99,663.41 and 24,330.88

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Solution

The fourth proportional to 66,461.72, 99,663.41 and 24,330.88 is: 36,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,461.72 : 99,663.41 = 24,330.88 : x
  2. Step 2: Convert to fraction form
    66,461.72/99,663.41 = 24,330.88/x
  3. Step 3: Cross multiply
    66,461.72x = 99,663.41 × 24,330.88
  4. Step 4: Simplify right side
    66,461.72x = 2,424,898,654.51
  5. Step 5: Solve for x
    x = 2,424,898,654.51/66,461.72
  6. Step 6: Final answer
    x = 36,485.65

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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.