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Finding the Fourth Proportional to 32,706.71, 45,129.09 and 19,282.18

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Solution

The fourth proportional to 32,706.71, 45,129.09 and 19,282.18 is: 26,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,706.71 : 45,129.09 = 19,282.18 : x
  2. Step 2: Convert to fraction form
    32,706.71/45,129.09 = 19,282.18/x
  3. Step 3: Cross multiply
    32,706.71x = 45,129.09 × 19,282.18
  4. Step 4: Simplify right side
    32,706.71x = 870,187,010.97
  5. Step 5: Solve for x
    x = 870,187,010.97/32,706.71
  6. Step 6: Final answer
    x = 26,605.76

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1.5x scale

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.