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Finding the Fourth Proportional to 13,393.95, 20,091.08 and 6,374.62

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Solution

The fourth proportional to 13,393.95, 20,091.08 and 6,374.62 is: 9,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.95 : 20,091.08 = 6,374.62 : x
  2. Step 2: Convert to fraction form
    13,393.95/20,091.08 = 6,374.62/x
  3. Step 3: Cross multiply
    13,393.95x = 20,091.08 × 6,374.62
  4. Step 4: Simplify right side
    13,393.95x = 128,073,000.39
  5. Step 5: Solve for x
    x = 128,073,000.39/13,393.95
  6. Step 6: Final answer
    x = 9,562.00

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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.