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Finding the Fourth Proportional to 5,335.95, 8,003.91 and 1,873.20

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Solution

The fourth proportional to 5,335.95, 8,003.91 and 1,873.20 is: 2,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.95 : 8,003.91 = 1,873.20 : x
  2. Step 2: Convert to fraction form
    5,335.95/8,003.91 = 1,873.20/x
  3. Step 3: Cross multiply
    5,335.95x = 8,003.91 × 1,873.20
  4. Step 4: Simplify right side
    5,335.95x = 14,992,884.19
  5. Step 5: Solve for x
    x = 14,992,884.19/5,335.95
  6. Step 6: Final answer
    x = 2,809.79

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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.