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Finding the Fourth Proportional to 1,754.32, 2,632.56 and 974.92

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Solution

The fourth proportional to 1,754.32, 2,632.56 and 974.92 is: 1,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.32 : 2,632.56 = 974.92 : x
  2. Step 2: Convert to fraction form
    1,754.32/2,632.56 = 974.92/x
  3. Step 3: Cross multiply
    1,754.32x = 2,632.56 × 974.92
  4. Step 4: Simplify right side
    1,754.32x = 2,566,535.40
  5. Step 5: Solve for x
    x = 2,566,535.40/1,754.32
  6. Step 6: Final answer
    x = 1,462.98

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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.