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Finding the Fourth Proportional to 43,200, 59,591.79 and 25,291.56

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Solution

The fourth proportional to 43,200, 59,591.79 and 25,291.56 is: 34,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200 : 59,591.79 = 25,291.56 : x
  2. Step 2: Convert to fraction form
    43,200/59,591.79 = 25,291.56/x
  3. Step 3: Cross multiply
    43,200x = 59,591.79 × 25,291.56
  4. Step 4: Simplify right side
    43,200x = 1,507,169,332.29
  5. Step 5: Solve for x
    x = 1,507,169,332.29/43,200
  6. Step 6: Final answer
    x = 34,888.18

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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.