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Finding the Fourth Proportional to 32,407.62, 48,609.80 and 12,689.80

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Solution

The fourth proportional to 32,407.62, 48,609.80 and 12,689.80 is: 19,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,407.62 : 48,609.80 = 12,689.80 : x
  2. Step 2: Convert to fraction form
    32,407.62/48,609.80 = 12,689.80/x
  3. Step 3: Cross multiply
    32,407.62x = 48,609.80 × 12,689.80
  4. Step 4: Simplify right side
    32,407.62x = 616,848,640.04
  5. Step 5: Solve for x
    x = 616,848,640.04/32,407.62
  6. Step 6: Final answer
    x = 19,034.06

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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.