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Finding the Fourth Proportional to 45,988.32, 68,976.72 and 38,246.88

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Solution

The fourth proportional to 45,988.32, 68,976.72 and 38,246.88 is: 57,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,988.32 : 68,976.72 = 38,246.88 : x
  2. Step 2: Convert to fraction form
    45,988.32/68,976.72 = 38,246.88/x
  3. Step 3: Cross multiply
    45,988.32x = 68,976.72 × 38,246.88
  4. Step 4: Simplify right side
    45,988.32x = 2,638,144,332.63
  5. Step 5: Solve for x
    x = 2,638,144,332.63/45,988.32
  6. Step 6: Final answer
    x = 57,365.53

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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.