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Finding the Fourth Proportional to 5,598.65, 7,724.84 and 3,360.12

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Solution

The fourth proportional to 5,598.65, 7,724.84 and 3,360.12 is: 4,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.65 : 7,724.84 = 3,360.12 : x
  2. Step 2: Convert to fraction form
    5,598.65/7,724.84 = 3,360.12/x
  3. Step 3: Cross multiply
    5,598.65x = 7,724.84 × 3,360.12
  4. Step 4: Simplify right side
    5,598.65x = 25,956,372.58
  5. Step 5: Solve for x
    x = 25,956,372.58/5,598.65
  6. Step 6: Final answer
    x = 4,636.19

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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.