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Finding the Fourth Proportional to 8,835.66, 13,248.49 and 2,910.95

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Solution

The fourth proportional to 8,835.66, 13,248.49 and 2,910.95 is: 4,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.66 : 13,248.49 = 2,910.95 : x
  2. Step 2: Convert to fraction form
    8,835.66/13,248.49 = 2,910.95/x
  3. Step 3: Cross multiply
    8,835.66x = 13,248.49 × 2,910.95
  4. Step 4: Simplify right side
    8,835.66x = 38,565,625.72
  5. Step 5: Solve for x
    x = 38,565,625.72/8,835.66
  6. Step 6: Final answer
    x = 4,364.77

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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.