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Finding the Fourth Proportional to 8,855.60, 13,456.48 and 8,855.60

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Solution

The fourth proportional to 8,855.60, 13,456.48 and 8,855.60 is: 13,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.60 : 13,456.48 = 8,855.60 : x
  2. Step 2: Convert to fraction form
    8,855.60/13,456.48 = 8,855.60/x
  3. Step 3: Cross multiply
    8,855.60x = 13,456.48 × 8,855.60
  4. Step 4: Simplify right side
    8,855.60x = 119,165,204.29
  5. Step 5: Solve for x
    x = 119,165,204.29/8,855.60
  6. Step 6: Final answer
    x = 13,456.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.