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Finding the Fourth Proportional to 1,182.91, 1,632.14 and 735.18

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Solution

The fourth proportional to 1,182.91, 1,632.14 and 735.18 is: 1,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.91 : 1,632.14 = 735.18 : x
  2. Step 2: Convert to fraction form
    1,182.91/1,632.14 = 735.18/x
  3. Step 3: Cross multiply
    1,182.91x = 1,632.14 × 735.18
  4. Step 4: Simplify right side
    1,182.91x = 1,199,916.69
  5. Step 5: Solve for x
    x = 1,199,916.69/1,182.91
  6. Step 6: Final answer
    x = 1,014.38

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Half scale
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Double scale
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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.