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Finding the Fourth Proportional to 44,937.76, 67,406.64 and 15,340.72

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Solution

The fourth proportional to 44,937.76, 67,406.64 and 15,340.72 is: 23,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,937.76 : 67,406.64 = 15,340.72 : x
  2. Step 2: Convert to fraction form
    44,937.76/67,406.64 = 15,340.72/x
  3. Step 3: Cross multiply
    44,937.76x = 67,406.64 × 15,340.72
  4. Step 4: Simplify right side
    44,937.76x = 1,034,066,390.38
  5. Step 5: Solve for x
    x = 1,034,066,390.38/44,937.76
  6. Step 6: Final answer
    x = 23,011.08

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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.