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Finding the Fourth Proportional to 2,232.75, 3,348.20 and 999.93

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Solution

The fourth proportional to 2,232.75, 3,348.20 and 999.93 is: 1,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.75 : 3,348.20 = 999.93 : x
  2. Step 2: Convert to fraction form
    2,232.75/3,348.20 = 999.93/x
  3. Step 3: Cross multiply
    2,232.75x = 3,348.20 × 999.93
  4. Step 4: Simplify right side
    2,232.75x = 3,347,960.63
  5. Step 5: Solve for x
    x = 3,347,960.63/2,232.75
  6. Step 6: Final answer
    x = 1,499.48

Related Problems

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.