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Finding the Fourth Proportional to 1,758.76, 2,637.79 and 833.47

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Solution

The fourth proportional to 1,758.76, 2,637.79 and 833.47 is: 1,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.76 : 2,637.79 = 833.47 : x
  2. Step 2: Convert to fraction form
    1,758.76/2,637.79 = 833.47/x
  3. Step 3: Cross multiply
    1,758.76x = 2,637.79 × 833.47
  4. Step 4: Simplify right side
    1,758.76x = 2,198,518.83
  5. Step 5: Solve for x
    x = 2,198,518.83/1,758.76
  6. Step 6: Final answer
    x = 1,250.04

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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.