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Finding the Fourth Proportional to 8,901.94, 12,284.43 and 4,923.22

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Solution

The fourth proportional to 8,901.94, 12,284.43 and 4,923.22 is: 6,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.94 : 12,284.43 = 4,923.22 : x
  2. Step 2: Convert to fraction form
    8,901.94/12,284.43 = 4,923.22/x
  3. Step 3: Cross multiply
    8,901.94x = 12,284.43 × 4,923.22
  4. Step 4: Simplify right side
    8,901.94x = 60,478,890.04
  5. Step 5: Solve for x
    x = 60,478,890.04/8,901.94
  6. Step 6: Final answer
    x = 6,793.90

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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.