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Finding the Fourth Proportional to 2,017.76, 3,024.81 and 718.92

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Solution

The fourth proportional to 2,017.76, 3,024.81 and 718.92 is: 1,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.76 : 3,024.81 = 718.92 : x
  2. Step 2: Convert to fraction form
    2,017.76/3,024.81 = 718.92/x
  3. Step 3: Cross multiply
    2,017.76x = 3,024.81 × 718.92
  4. Step 4: Simplify right side
    2,017.76x = 2,174,596.41
  5. Step 5: Solve for x
    x = 2,174,596.41/2,017.76
  6. Step 6: Final answer
    x = 1,077.73

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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.