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Finding the Fourth Proportional to 8,980.15, 13,471.13 and 2,407.00

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Solution

The fourth proportional to 8,980.15, 13,471.13 and 2,407.00 is: 3,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.15 : 13,471.13 = 2,407.00 : x
  2. Step 2: Convert to fraction form
    8,980.15/13,471.13 = 2,407.00/x
  3. Step 3: Cross multiply
    8,980.15x = 13,471.13 × 2,407.00
  4. Step 4: Simplify right side
    8,980.15x = 32,424,982.25
  5. Step 5: Solve for x
    x = 32,424,982.25/8,980.15
  6. Step 6: Final answer
    x = 3,610.74

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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.