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Finding the Fourth Proportional to 13,017.38, 17,972.62 and 8,058.02

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Solution

The fourth proportional to 13,017.38, 17,972.62 and 8,058.02 is: 11,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.38 : 17,972.62 = 8,058.02 : x
  2. Step 2: Convert to fraction form
    13,017.38/17,972.62 = 8,058.02/x
  3. Step 3: Cross multiply
    13,017.38x = 17,972.62 × 8,058.02
  4. Step 4: Simplify right side
    13,017.38x = 144,823,621.40
  5. Step 5: Solve for x
    x = 144,823,621.40/13,017.38
  6. Step 6: Final answer
    x = 11,125.41

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1.5x scale

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.