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Finding the Fourth Proportional to 8,879.59, 12,253.91 and 4,901.01

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Solution

The fourth proportional to 8,879.59, 12,253.91 and 4,901.01 is: 6,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.59 : 12,253.91 = 4,901.01 : x
  2. Step 2: Convert to fraction form
    8,879.59/12,253.91 = 4,901.01/x
  3. Step 3: Cross multiply
    8,879.59x = 12,253.91 × 4,901.01
  4. Step 4: Simplify right side
    8,879.59x = 60,056,535.45
  5. Step 5: Solve for x
    x = 60,056,535.45/8,879.59
  6. Step 6: Final answer
    x = 6,763.44

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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.