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Finding the Fourth Proportional to 47,286.15, 65,254.87 and 26,065.87

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Solution

The fourth proportional to 47,286.15, 65,254.87 and 26,065.87 is: 35,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.15 : 65,254.87 = 26,065.87 : x
  2. Step 2: Convert to fraction form
    47,286.15/65,254.87 = 26,065.87/x
  3. Step 3: Cross multiply
    47,286.15x = 65,254.87 × 26,065.87
  4. Step 4: Simplify right side
    47,286.15x = 1,700,924,827.73
  5. Step 5: Solve for x
    x = 1,700,924,827.73/47,286.15
  6. Step 6: Final answer
    x = 35,970.89

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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.