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Finding the Fourth Proportional to 4,572.84, 6,269.33 and 4,489.80

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Solution

The fourth proportional to 4,572.84, 6,269.33 and 4,489.80 is: 6,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.84 : 6,269.33 = 4,489.80 : x
  2. Step 2: Convert to fraction form
    4,572.84/6,269.33 = 4,489.80/x
  3. Step 3: Cross multiply
    4,572.84x = 6,269.33 × 4,489.80
  4. Step 4: Simplify right side
    4,572.84x = 28,148,037.83
  5. Step 5: Solve for x
    x = 28,148,037.83/4,572.84
  6. Step 6: Final answer
    x = 6,155.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.