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Finding the Fourth Proportional to 8,833.80, 12,190.86 and 4,855.02

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Solution

The fourth proportional to 8,833.80, 12,190.86 and 4,855.02 is: 6,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.80 : 12,190.86 = 4,855.02 : x
  2. Step 2: Convert to fraction form
    8,833.80/12,190.86 = 4,855.02/x
  3. Step 3: Cross multiply
    8,833.80x = 12,190.86 × 4,855.02
  4. Step 4: Simplify right side
    8,833.80x = 59,186,869.12
  5. Step 5: Solve for x
    x = 59,186,869.12/8,833.80
  6. Step 6: Final answer
    x = 6,700.05

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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.