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Finding the Fourth Proportional to 50,810.88, 70,101.72 and 29,585.64

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Solution

The fourth proportional to 50,810.88, 70,101.72 and 29,585.64 is: 40,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,810.88 : 70,101.72 = 29,585.64 : x
  2. Step 2: Convert to fraction form
    50,810.88/70,101.72 = 29,585.64/x
  3. Step 3: Cross multiply
    50,810.88x = 70,101.72 × 29,585.64
  4. Step 4: Simplify right side
    50,810.88x = 2,074,004,251.30
  5. Step 5: Solve for x
    x = 2,074,004,251.30/50,810.88
  6. Step 6: Final answer
    x = 40,818.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.