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Finding the Fourth Proportional to 43,292, 59,743.08 and 23,420

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Solution

The fourth proportional to 43,292, 59,743.08 and 23,420 is: 32,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,292 : 59,743.08 = 23,420 : x
  2. Step 2: Convert to fraction form
    43,292/59,743.08 = 23,420/x
  3. Step 3: Cross multiply
    43,292x = 59,743.08 × 23,420
  4. Step 4: Simplify right side
    43,292x = 1,399,182,933.60
  5. Step 5: Solve for x
    x = 1,399,182,933.60/43,292
  6. Step 6: Final answer
    x = 32,319.66

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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.