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Finding the Fourth Proportional to 66,486.54, 99,700.62 and 24,904.38

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Solution

The fourth proportional to 66,486.54, 99,700.62 and 24,904.38 is: 37,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,486.54 : 99,700.62 = 24,904.38 : x
  2. Step 2: Convert to fraction form
    66,486.54/99,700.62 = 24,904.38/x
  3. Step 3: Cross multiply
    66,486.54x = 99,700.62 × 24,904.38
  4. Step 4: Simplify right side
    66,486.54x = 2,482,982,126.72
  5. Step 5: Solve for x
    x = 2,482,982,126.72/66,486.54
  6. Step 6: Final answer
    x = 37,345.64

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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.