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Finding the Fourth Proportional to 3,522.12, 5,283.54 and 925.08

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Solution

The fourth proportional to 3,522.12, 5,283.54 and 925.08 is: 1,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.12 : 5,283.54 = 925.08 : x
  2. Step 2: Convert to fraction form
    3,522.12/5,283.54 = 925.08/x
  3. Step 3: Cross multiply
    3,522.12x = 5,283.54 × 925.08
  4. Step 4: Simplify right side
    3,522.12x = 4,887,697.18
  5. Step 5: Solve for x
    x = 4,887,697.18/3,522.12
  6. Step 6: Final answer
    x = 1,387.71

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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.