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Finding the Fourth Proportional to 1,033.54, 1,424.76 and 846.72

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Solution

The fourth proportional to 1,033.54, 1,424.76 and 846.72 is: 1,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.54 : 1,424.76 = 846.72 : x
  2. Step 2: Convert to fraction form
    1,033.54/1,424.76 = 846.72/x
  3. Step 3: Cross multiply
    1,033.54x = 1,424.76 × 846.72
  4. Step 4: Simplify right side
    1,033.54x = 1,206,372.79
  5. Step 5: Solve for x
    x = 1,206,372.79/1,033.54
  6. Step 6: Final answer
    x = 1,167.22

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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.