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Finding the Fourth Proportional to 8,365.78, 12,549.76 and 2,522.98

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Solution

The fourth proportional to 8,365.78, 12,549.76 and 2,522.98 is: 3,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.78 : 12,549.76 = 2,522.98 : x
  2. Step 2: Convert to fraction form
    8,365.78/12,549.76 = 2,522.98/x
  3. Step 3: Cross multiply
    8,365.78x = 12,549.76 × 2,522.98
  4. Step 4: Simplify right side
    8,365.78x = 31,662,793.48
  5. Step 5: Solve for x
    x = 31,662,793.48/8,365.78
  6. Step 6: Final answer
    x = 3,784.80

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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.