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Finding the Fourth Proportional to 13,760.93, 18,997.95 and 9,058.88

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Solution

The fourth proportional to 13,760.93, 18,997.95 and 9,058.88 is: 12,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.93 : 18,997.95 = 9,058.88 : x
  2. Step 2: Convert to fraction form
    13,760.93/18,997.95 = 9,058.88/x
  3. Step 3: Cross multiply
    13,760.93x = 18,997.95 × 9,058.88
  4. Step 4: Simplify right side
    13,760.93x = 172,100,088.28
  5. Step 5: Solve for x
    x = 172,100,088.28/13,760.93
  6. Step 6: Final answer
    x = 12,506.43

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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.