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Finding the Fourth Proportional to 5,902.64, 8,854.43 and 1,520.09

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Solution

The fourth proportional to 5,902.64, 8,854.43 and 1,520.09 is: 2,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.64 : 8,854.43 = 1,520.09 : x
  2. Step 2: Convert to fraction form
    5,902.64/8,854.43 = 1,520.09/x
  3. Step 3: Cross multiply
    5,902.64x = 8,854.43 × 1,520.09
  4. Step 4: Simplify right side
    5,902.64x = 13,459,478.63
  5. Step 5: Solve for x
    x = 13,459,478.63/5,902.64
  6. Step 6: Final answer
    x = 2,280.25

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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.