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Finding the Fourth Proportional to 5,902.08, 8,820.90 and 5,435.04

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Solution

The fourth proportional to 5,902.08, 8,820.90 and 5,435.04 is: 8,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.08 : 8,820.90 = 5,435.04 : x
  2. Step 2: Convert to fraction form
    5,902.08/8,820.90 = 5,435.04/x
  3. Step 3: Cross multiply
    5,902.08x = 8,820.90 × 5,435.04
  4. Step 4: Simplify right side
    5,902.08x = 47,941,944.34
  5. Step 5: Solve for x
    x = 47,941,944.34/5,902.08
  6. Step 6: Final answer
    x = 8,122.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.