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Finding the Fourth Proportional to 8,079.12, 11,144.63 and 4,848.10

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Solution

The fourth proportional to 8,079.12, 11,144.63 and 4,848.10 is: 6,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.12 : 11,144.63 = 4,848.10 : x
  2. Step 2: Convert to fraction form
    8,079.12/11,144.63 = 4,848.10/x
  3. Step 3: Cross multiply
    8,079.12x = 11,144.63 × 4,848.10
  4. Step 4: Simplify right side
    8,079.12x = 54,030,284.64
  5. Step 5: Solve for x
    x = 54,030,284.64/8,079.12
  6. Step 6: Final answer
    x = 6,687.65

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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.