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Finding the Fourth Proportional to 8,165.04, 12,255.08 and 5,051.13

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Solution

The fourth proportional to 8,165.04, 12,255.08 and 5,051.13 is: 7,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.04 : 12,255.08 = 5,051.13 : x
  2. Step 2: Convert to fraction form
    8,165.04/12,255.08 = 5,051.13/x
  3. Step 3: Cross multiply
    8,165.04x = 12,255.08 × 5,051.13
  4. Step 4: Simplify right side
    8,165.04x = 61,902,084.15
  5. Step 5: Solve for x
    x = 61,902,084.15/8,165.04
  6. Step 6: Final answer
    x = 7,581.36

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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.