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Finding the Fourth Proportional to 8,879.96, 12,254.74 and 4,901.08

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Solution

The fourth proportional to 8,879.96, 12,254.74 and 4,901.08 is: 6,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.96 : 12,254.74 = 4,901.08 : x
  2. Step 2: Convert to fraction form
    8,879.96/12,254.74 = 4,901.08/x
  3. Step 3: Cross multiply
    8,879.96x = 12,254.74 × 4,901.08
  4. Step 4: Simplify right side
    8,879.96x = 60,061,461.12
  5. Step 5: Solve for x
    x = 60,061,461.12/8,879.96
  6. Step 6: Final answer
    x = 6,763.71

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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.