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Finding the Fourth Proportional to 59,078, 88,617.72 and 15,302

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Solution

The fourth proportional to 59,078, 88,617.72 and 15,302 is: 22,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,078 : 88,617.72 = 15,302 : x
  2. Step 2: Convert to fraction form
    59,078/88,617.72 = 15,302/x
  3. Step 3: Cross multiply
    59,078x = 88,617.72 × 15,302
  4. Step 4: Simplify right side
    59,078x = 1,356,028,351.44
  5. Step 5: Solve for x
    x = 1,356,028,351.44/59,078
  6. Step 6: Final answer
    x = 22,953.19

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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.