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Finding the Fourth Proportional to 3,445.92, 4,753.08 and 2,119.08

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Solution

The fourth proportional to 3,445.92, 4,753.08 and 2,119.08 is: 2,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.92 : 4,753.08 = 2,119.08 : x
  2. Step 2: Convert to fraction form
    3,445.92/4,753.08 = 2,119.08/x
  3. Step 3: Cross multiply
    3,445.92x = 4,753.08 × 2,119.08
  4. Step 4: Simplify right side
    3,445.92x = 10,072,156.77
  5. Step 5: Solve for x
    x = 10,072,156.77/3,445.92
  6. Step 6: Final answer
    x = 2,922.92

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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.