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Finding the Fourth Proportional to 16,959.11, 25,444.03 and 7,607.15

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Solution

The fourth proportional to 16,959.11, 25,444.03 and 7,607.15 is: 11,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.11 : 25,444.03 = 7,607.15 : x
  2. Step 2: Convert to fraction form
    16,959.11/25,444.03 = 7,607.15/x
  3. Step 3: Cross multiply
    16,959.11x = 25,444.03 × 7,607.15
  4. Step 4: Simplify right side
    16,959.11x = 193,556,552.81
  5. Step 5: Solve for x
    x = 193,556,552.81/16,959.11
  6. Step 6: Final answer
    x = 11,413.13

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Why These Related Problems?

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