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Finding the Fourth Proportional to 8,755.95, 13,101.12 and 4,863.09

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Solution

The fourth proportional to 8,755.95, 13,101.12 and 4,863.09 is: 7,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.95 : 13,101.12 = 4,863.09 : x
  2. Step 2: Convert to fraction form
    8,755.95/13,101.12 = 4,863.09/x
  3. Step 3: Cross multiply
    8,755.95x = 13,101.12 × 4,863.09
  4. Step 4: Simplify right side
    8,755.95x = 63,711,925.66
  5. Step 5: Solve for x
    x = 63,711,925.66/8,755.95
  6. Step 6: Final answer
    x = 7,276.41

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1.5x scale

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.