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Finding the Fourth Proportional to 3,141.76, 4,712.16 and 833.44

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Solution

The fourth proportional to 3,141.76, 4,712.16 and 833.44 is: 1,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.76 : 4,712.16 = 833.44 : x
  2. Step 2: Convert to fraction form
    3,141.76/4,712.16 = 833.44/x
  3. Step 3: Cross multiply
    3,141.76x = 4,712.16 × 833.44
  4. Step 4: Simplify right side
    3,141.76x = 3,927,302.63
  5. Step 5: Solve for x
    x = 3,927,302.63/3,141.76
  6. Step 6: Final answer
    x = 1,250.03

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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.