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Finding the Fourth Proportional to 1,698.72, 2,344.20 and 952.67

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Solution

The fourth proportional to 1,698.72, 2,344.20 and 952.67 is: 1,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.72 : 2,344.20 = 952.67 : x
  2. Step 2: Convert to fraction form
    1,698.72/2,344.20 = 952.67/x
  3. Step 3: Cross multiply
    1,698.72x = 2,344.20 × 952.67
  4. Step 4: Simplify right side
    1,698.72x = 2,233,237.29
  5. Step 5: Solve for x
    x = 2,233,237.29/1,698.72
  6. Step 6: Final answer
    x = 1,314.66

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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.