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Finding the Fourth Proportional to 32,681.43, 49,024.89 and 12,960.18

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Solution

The fourth proportional to 32,681.43, 49,024.89 and 12,960.18 is: 19,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,681.43 : 49,024.89 = 12,960.18 : x
  2. Step 2: Convert to fraction form
    32,681.43/49,024.89 = 12,960.18/x
  3. Step 3: Cross multiply
    32,681.43x = 49,024.89 × 12,960.18
  4. Step 4: Simplify right side
    32,681.43x = 635,371,398.88
  5. Step 5: Solve for x
    x = 635,371,398.88/32,681.43
  6. Step 6: Final answer
    x = 19,441.36

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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.