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Finding the Fourth Proportional to 8,803.60, 12,149.53 and 5,814.19

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Solution

The fourth proportional to 8,803.60, 12,149.53 and 5,814.19 is: 8,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.60 : 12,149.53 = 5,814.19 : x
  2. Step 2: Convert to fraction form
    8,803.60/12,149.53 = 5,814.19/x
  3. Step 3: Cross multiply
    8,803.60x = 12,149.53 × 5,814.19
  4. Step 4: Simplify right side
    8,803.60x = 70,639,676.48
  5. Step 5: Solve for x
    x = 70,639,676.48/8,803.60
  6. Step 6: Final answer
    x = 8,023.96

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.