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Finding the Fourth Proportional to 2,337.64, 3,507.12 and 694.18

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Solution

The fourth proportional to 2,337.64, 3,507.12 and 694.18 is: 1,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.64 : 3,507.12 = 694.18 : x
  2. Step 2: Convert to fraction form
    2,337.64/3,507.12 = 694.18/x
  3. Step 3: Cross multiply
    2,337.64x = 3,507.12 × 694.18
  4. Step 4: Simplify right side
    2,337.64x = 2,434,572.56
  5. Step 5: Solve for x
    x = 2,434,572.56/2,337.64
  6. Step 6: Final answer
    x = 1,041.47

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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.