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Finding the Fourth Proportional to 8,899.08, 13,348.62 and 8,357.79

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Solution

The fourth proportional to 8,899.08, 13,348.62 and 8,357.79 is: 12,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.08 : 13,348.62 = 8,357.79 : x
  2. Step 2: Convert to fraction form
    8,899.08/13,348.62 = 8,357.79/x
  3. Step 3: Cross multiply
    8,899.08x = 13,348.62 × 8,357.79
  4. Step 4: Simplify right side
    8,899.08x = 111,564,962.75
  5. Step 5: Solve for x
    x = 111,564,962.75/8,899.08
  6. Step 6: Final answer
    x = 12,536.69

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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.