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Finding the Fourth Proportional to 8,875.61, 13,300.63 and 6,105.41

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Solution

The fourth proportional to 8,875.61, 13,300.63 and 6,105.41 is: 9,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.61 : 13,300.63 = 6,105.41 : x
  2. Step 2: Convert to fraction form
    8,875.61/13,300.63 = 6,105.41/x
  3. Step 3: Cross multiply
    8,875.61x = 13,300.63 × 6,105.41
  4. Step 4: Simplify right side
    8,875.61x = 81,205,799.41
  5. Step 5: Solve for x
    x = 81,205,799.41/8,875.61
  6. Step 6: Final answer
    x = 9,149.32

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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.