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Finding the Fourth Proportional to 8,866.67, 13,300.07 and 3,934.98

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Solution

The fourth proportional to 8,866.67, 13,300.07 and 3,934.98 is: 5,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.67 : 13,300.07 = 3,934.98 : x
  2. Step 2: Convert to fraction form
    8,866.67/13,300.07 = 3,934.98/x
  3. Step 3: Cross multiply
    8,866.67x = 13,300.07 × 3,934.98
  4. Step 4: Simplify right side
    8,866.67x = 52,335,489.77
  5. Step 5: Solve for x
    x = 52,335,489.77/8,866.67
  6. Step 6: Final answer
    x = 5,902.50

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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.