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Finding the Fourth Proportional to 8,253.95, 12,374.45 and 5,648.99

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Solution

The fourth proportional to 8,253.95, 12,374.45 and 5,648.99 is: 8,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.95 : 12,374.45 = 5,648.99 : x
  2. Step 2: Convert to fraction form
    8,253.95/12,374.45 = 5,648.99/x
  3. Step 3: Cross multiply
    8,253.95x = 12,374.45 × 5,648.99
  4. Step 4: Simplify right side
    8,253.95x = 69,903,116.06
  5. Step 5: Solve for x
    x = 69,903,116.06/8,253.95
  6. Step 6: Final answer
    x = 8,469.05

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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.