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Finding the Fourth Proportional to 5,607.78, 7,734.96 and 3,482.04

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Solution

The fourth proportional to 5,607.78, 7,734.96 and 3,482.04 is: 4,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.78 : 7,734.96 = 3,482.04 : x
  2. Step 2: Convert to fraction form
    5,607.78/7,734.96 = 3,482.04/x
  3. Step 3: Cross multiply
    5,607.78x = 7,734.96 × 3,482.04
  4. Step 4: Simplify right side
    5,607.78x = 26,933,440.12
  5. Step 5: Solve for x
    x = 26,933,440.12/5,607.78
  6. Step 6: Final answer
    x = 4,802.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.