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Finding the Fourth Proportional to 8,269.84, 12,404.40 and 4,573.90

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Solution

The fourth proportional to 8,269.84, 12,404.40 and 4,573.90 is: 6,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.84 : 12,404.40 = 4,573.90 : x
  2. Step 2: Convert to fraction form
    8,269.84/12,404.40 = 4,573.90/x
  3. Step 3: Cross multiply
    8,269.84x = 12,404.40 × 4,573.90
  4. Step 4: Simplify right side
    8,269.84x = 56,736,485.16
  5. Step 5: Solve for x
    x = 56,736,485.16/8,269.84
  6. Step 6: Final answer
    x = 6,860.65

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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.