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Finding the Fourth Proportional to 8,047.92, 12,071.88 and 4,577.88

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Solution

The fourth proportional to 8,047.92, 12,071.88 and 4,577.88 is: 6,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.92 : 12,071.88 = 4,577.88 : x
  2. Step 2: Convert to fraction form
    8,047.92/12,071.88 = 4,577.88/x
  3. Step 3: Cross multiply
    8,047.92x = 12,071.88 × 4,577.88
  4. Step 4: Simplify right side
    8,047.92x = 55,263,618.01
  5. Step 5: Solve for x
    x = 55,263,618.01/8,047.92
  6. Step 6: Final answer
    x = 6,866.82

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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.