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Finding the Fourth Proportional to 32,689.34, 48,991.86 and 15,818.39

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Solution

The fourth proportional to 32,689.34, 48,991.86 and 15,818.39 is: 23,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,689.34 : 48,991.86 = 15,818.39 : x
  2. Step 2: Convert to fraction form
    32,689.34/48,991.86 = 15,818.39/x
  3. Step 3: Cross multiply
    32,689.34x = 48,991.86 × 15,818.39
  4. Step 4: Simplify right side
    32,689.34x = 774,972,348.31
  5. Step 5: Solve for x
    x = 774,972,348.31/32,689.34
  6. Step 6: Final answer
    x = 23,707.19

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1.5x scale

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.