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Finding the Fourth Proportional to 15,407.58, 23,125.82 and 8,017.28

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Solution

The fourth proportional to 15,407.58, 23,125.82 and 8,017.28 is: 12,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.58 : 23,125.82 = 8,017.28 : x
  2. Step 2: Convert to fraction form
    15,407.58/23,125.82 = 8,017.28/x
  3. Step 3: Cross multiply
    15,407.58x = 23,125.82 × 8,017.28
  4. Step 4: Simplify right side
    15,407.58x = 185,406,018.45
  5. Step 5: Solve for x
    x = 185,406,018.45/15,407.58
  6. Step 6: Final answer
    x = 12,033.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.