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Finding the Fourth Proportional to 2,881.37, 4,322.97 and 934.94

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Solution

The fourth proportional to 2,881.37, 4,322.97 and 934.94 is: 1,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.37 : 4,322.97 = 934.94 : x
  2. Step 2: Convert to fraction form
    2,881.37/4,322.97 = 934.94/x
  3. Step 3: Cross multiply
    2,881.37x = 4,322.97 × 934.94
  4. Step 4: Simplify right side
    2,881.37x = 4,041,728.38
  5. Step 5: Solve for x
    x = 4,041,728.38/2,881.37
  6. Step 6: Final answer
    x = 1,402.71

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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.