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Finding the Fourth Proportional to 3,253.94, 4,881.16 and 945.62

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Solution

The fourth proportional to 3,253.94, 4,881.16 and 945.62 is: 1,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.94 : 4,881.16 = 945.62 : x
  2. Step 2: Convert to fraction form
    3,253.94/4,881.16 = 945.62/x
  3. Step 3: Cross multiply
    3,253.94x = 4,881.16 × 945.62
  4. Step 4: Simplify right side
    3,253.94x = 4,615,722.52
  5. Step 5: Solve for x
    x = 4,615,722.52/3,253.94
  6. Step 6: Final answer
    x = 1,418.50

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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.