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Finding the Fourth Proportional to 12,100.13, 16,695.26 and 7,061.48

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Solution

The fourth proportional to 12,100.13, 16,695.26 and 7,061.48 is: 9,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.13 : 16,695.26 = 7,061.48 : x
  2. Step 2: Convert to fraction form
    12,100.13/16,695.26 = 7,061.48/x
  3. Step 3: Cross multiply
    12,100.13x = 16,695.26 × 7,061.48
  4. Step 4: Simplify right side
    12,100.13x = 117,893,254.61
  5. Step 5: Solve for x
    x = 117,893,254.61/12,100.13
  6. Step 6: Final answer
    x = 9,743.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.