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Finding the Fourth Proportional to 44,660.78, 66,971.15 and 15,070.94

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Solution

The fourth proportional to 44,660.78, 66,971.15 and 15,070.94 is: 22,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,660.78 : 66,971.15 = 15,070.94 : x
  2. Step 2: Convert to fraction form
    44,660.78/66,971.15 = 15,070.94/x
  3. Step 3: Cross multiply
    44,660.78x = 66,971.15 × 15,070.94
  4. Step 4: Simplify right side
    44,660.78x = 1,009,318,183.38
  5. Step 5: Solve for x
    x = 1,009,318,183.38/44,660.78
  6. Step 6: Final answer
    x = 22,599.65

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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.