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Finding the Fourth Proportional to 43,220.71, 59,644.53 and 23,348.71

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Solution

The fourth proportional to 43,220.71, 59,644.53 and 23,348.71 is: 32,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,220.71 : 59,644.53 = 23,348.71 : x
  2. Step 2: Convert to fraction form
    43,220.71/59,644.53 = 23,348.71/x
  3. Step 3: Cross multiply
    43,220.71x = 59,644.53 × 23,348.71
  4. Step 4: Simplify right side
    43,220.71x = 1,392,622,834.06
  5. Step 5: Solve for x
    x = 1,392,622,834.06/43,220.71
  6. Step 6: Final answer
    x = 32,221.19

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Double scale
Find fourth proportional to 43,221.71, 59,645.91 and 23,349.71
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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.