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Finding the Fourth Proportional to 6,118.20, 8,451 and 4,528.04

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Solution

The fourth proportional to 6,118.20, 8,451 and 4,528.04 is: 6,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.20 : 8,451 = 4,528.04 : x
  2. Step 2: Convert to fraction form
    6,118.20/8,451 = 4,528.04/x
  3. Step 3: Cross multiply
    6,118.20x = 8,451 × 4,528.04
  4. Step 4: Simplify right side
    6,118.20x = 38,266,423.79
  5. Step 5: Solve for x
    x = 38,266,423.79/6,118.20
  6. Step 6: Final answer
    x = 6,254.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.