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Finding the Fourth Proportional to 47,687.72, 65,808.06 and 26,465.72

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Solution

The fourth proportional to 47,687.72, 65,808.06 and 26,465.72 is: 36,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,687.72 : 65,808.06 = 26,465.72 : x
  2. Step 2: Convert to fraction form
    47,687.72/65,808.06 = 26,465.72/x
  3. Step 3: Cross multiply
    47,687.72x = 65,808.06 × 26,465.72
  4. Step 4: Simplify right side
    47,687.72x = 1,741,657,689.70
  5. Step 5: Solve for x
    x = 1,741,657,689.70/47,687.72
  6. Step 6: Final answer
    x = 36,522.14

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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.