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Finding the Fourth Proportional to 13,060.50, 18,023.50 and 7,092.17

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Solution

The fourth proportional to 13,060.50, 18,023.50 and 7,092.17 is: 9,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.50 : 18,023.50 = 7,092.17 : x
  2. Step 2: Convert to fraction form
    13,060.50/18,023.50 = 7,092.17/x
  3. Step 3: Cross multiply
    13,060.50x = 18,023.50 × 7,092.17
  4. Step 4: Simplify right side
    13,060.50x = 127,825,726.00
  5. Step 5: Solve for x
    x = 127,825,726.00/13,060.50
  6. Step 6: Final answer
    x = 9,787.20

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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.