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Finding the Fourth Proportional to 5,398.56, 8,088.12 and 4,520.12

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Solution

The fourth proportional to 5,398.56, 8,088.12 and 4,520.12 is: 6,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.56 : 8,088.12 = 4,520.12 : x
  2. Step 2: Convert to fraction form
    5,398.56/8,088.12 = 4,520.12/x
  3. Step 3: Cross multiply
    5,398.56x = 8,088.12 × 4,520.12
  4. Step 4: Simplify right side
    5,398.56x = 36,559,232.53
  5. Step 5: Solve for x
    x = 36,559,232.53/5,398.56
  6. Step 6: Final answer
    x = 6,772.03

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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.