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Finding the Fourth Proportional to 56,898.62, 85,320.66 and 26,887.88

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Solution

The fourth proportional to 56,898.62, 85,320.66 and 26,887.88 is: 40,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,898.62 : 85,320.66 = 26,887.88 : x
  2. Step 2: Convert to fraction form
    56,898.62/85,320.66 = 26,887.88/x
  3. Step 3: Cross multiply
    56,898.62x = 85,320.66 × 26,887.88
  4. Step 4: Simplify right side
    56,898.62x = 2,294,091,106.56
  5. Step 5: Solve for x
    x = 2,294,091,106.56/56,898.62
  6. Step 6: Final answer
    x = 40,318.93

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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.