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Finding the Fourth Proportional to 8,369.60, 12,537.36 and 3,973.76

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Solution

The fourth proportional to 8,369.60, 12,537.36 and 3,973.76 is: 5,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.60 : 12,537.36 = 3,973.76 : x
  2. Step 2: Convert to fraction form
    8,369.60/12,537.36 = 3,973.76/x
  3. Step 3: Cross multiply
    8,369.60x = 12,537.36 × 3,973.76
  4. Step 4: Simplify right side
    8,369.60x = 49,820,459.67
  5. Step 5: Solve for x
    x = 49,820,459.67/8,369.60
  6. Step 6: Final answer
    x = 5,952.55

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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.