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Finding the Fourth Proportional to 5,482.89, 8,205.20 and 4,484.16

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Solution

The fourth proportional to 5,482.89, 8,205.20 and 4,484.16 is: 6,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.89 : 8,205.20 = 4,484.16 : x
  2. Step 2: Convert to fraction form
    5,482.89/8,205.20 = 4,484.16/x
  3. Step 3: Cross multiply
    5,482.89x = 8,205.20 × 4,484.16
  4. Step 4: Simplify right side
    5,482.89x = 36,793,461.36
  5. Step 5: Solve for x
    x = 36,793,461.36/5,482.89
  6. Step 6: Final answer
    x = 6,710.59

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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.