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Finding the Fourth Proportional to 58,716.40, 88,074.60 and 57,744.40

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Solution

The fourth proportional to 58,716.40, 88,074.60 and 57,744.40 is: 86,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,716.40 : 88,074.60 = 57,744.40 : x
  2. Step 2: Convert to fraction form
    58,716.40/88,074.60 = 57,744.40/x
  3. Step 3: Cross multiply
    58,716.40x = 88,074.60 × 57,744.40
  4. Step 4: Simplify right side
    58,716.40x = 5,085,814,932.24
  5. Step 5: Solve for x
    x = 5,085,814,932.24/58,716.40
  6. Step 6: Final answer
    x = 86,616.60

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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.