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Finding the Fourth Proportional to 4,479.98, 6,719.24 and 1,193.46

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Solution

The fourth proportional to 4,479.98, 6,719.24 and 1,193.46 is: 1,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.98 : 6,719.24 = 1,193.46 : x
  2. Step 2: Convert to fraction form
    4,479.98/6,719.24 = 1,193.46/x
  3. Step 3: Cross multiply
    4,479.98x = 6,719.24 × 1,193.46
  4. Step 4: Simplify right side
    4,479.98x = 8,019,144.17
  5. Step 5: Solve for x
    x = 8,019,144.17/4,479.98
  6. Step 6: Final answer
    x = 1,790.00

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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.