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Finding the Fourth Proportional to 8,347.25, 12,522.80 and 2,503.98

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Solution

The fourth proportional to 8,347.25, 12,522.80 and 2,503.98 is: 3,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.25 : 12,522.80 = 2,503.98 : x
  2. Step 2: Convert to fraction form
    8,347.25/12,522.80 = 2,503.98/x
  3. Step 3: Cross multiply
    8,347.25x = 12,522.80 × 2,503.98
  4. Step 4: Simplify right side
    8,347.25x = 31,356,847.00
  5. Step 5: Solve for x
    x = 31,356,847.00/8,347.25
  6. Step 6: Final answer
    x = 3,756.55

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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.