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Finding the Fourth Proportional to 65,236.71, 90,026.65 and 36,947.86

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Solution

The fourth proportional to 65,236.71, 90,026.65 and 36,947.86 is: 50,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,236.71 : 90,026.65 = 36,947.86 : x
  2. Step 2: Convert to fraction form
    65,236.71/90,026.65 = 36,947.86/x
  3. Step 3: Cross multiply
    65,236.71x = 90,026.65 × 36,947.86
  4. Step 4: Simplify right side
    65,236.71x = 3,326,291,875.73
  5. Step 5: Solve for x
    x = 3,326,291,875.73/65,236.71
  6. Step 6: Final answer
    x = 50,988.04

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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.