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Finding the Fourth Proportional to 4,818.65, 7,219.13 and 4,043.61

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Solution

The fourth proportional to 4,818.65, 7,219.13 and 4,043.61 is: 6,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.65 : 7,219.13 = 4,043.61 : x
  2. Step 2: Convert to fraction form
    4,818.65/7,219.13 = 4,043.61/x
  3. Step 3: Cross multiply
    4,818.65x = 7,219.13 × 4,043.61
  4. Step 4: Simplify right side
    4,818.65x = 29,191,326.04
  5. Step 5: Solve for x
    x = 29,191,326.04/4,818.65
  6. Step 6: Final answer
    x = 6,057.99

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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.