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Finding the Fourth Proportional to 8,357.01, 12,515.58 and 4,839.58

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Solution

The fourth proportional to 8,357.01, 12,515.58 and 4,839.58 is: 7,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.01 : 12,515.58 = 4,839.58 : x
  2. Step 2: Convert to fraction form
    8,357.01/12,515.58 = 4,839.58/x
  3. Step 3: Cross multiply
    8,357.01x = 12,515.58 × 4,839.58
  4. Step 4: Simplify right side
    8,357.01x = 60,570,166.30
  5. Step 5: Solve for x
    x = 60,570,166.30/8,357.01
  6. Step 6: Final answer
    x = 7,247.83

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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.