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Finding the Fourth Proportional to 51,296.96, 70,631.90 and 43,726.32

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Solution

The fourth proportional to 51,296.96, 70,631.90 and 43,726.32 is: 60,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,296.96 : 70,631.90 = 43,726.32 : x
  2. Step 2: Convert to fraction form
    51,296.96/70,631.90 = 43,726.32/x
  3. Step 3: Cross multiply
    51,296.96x = 70,631.90 × 43,726.32
  4. Step 4: Simplify right side
    51,296.96x = 3,088,473,061.61
  5. Step 5: Solve for x
    x = 3,088,473,061.61/51,296.96
  6. Step 6: Final answer
    x = 60,207.72

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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.