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Finding the Fourth Proportional to 1,576.18, 2,362.74 and 883.18

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Solution

The fourth proportional to 1,576.18, 2,362.74 and 883.18 is: 1,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.18 : 2,362.74 = 883.18 : x
  2. Step 2: Convert to fraction form
    1,576.18/2,362.74 = 883.18/x
  3. Step 3: Cross multiply
    1,576.18x = 2,362.74 × 883.18
  4. Step 4: Simplify right side
    1,576.18x = 2,086,724.71
  5. Step 5: Solve for x
    x = 2,086,724.71/1,576.18
  6. Step 6: Final answer
    x = 1,323.91

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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.