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Finding the Fourth Proportional to 2,925.49, 4,388.14 and 734.24

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Solution

The fourth proportional to 2,925.49, 4,388.14 and 734.24 is: 1,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.49 : 4,388.14 = 734.24 : x
  2. Step 2: Convert to fraction form
    2,925.49/4,388.14 = 734.24/x
  3. Step 3: Cross multiply
    2,925.49x = 4,388.14 × 734.24
  4. Step 4: Simplify right side
    2,925.49x = 3,221,947.91
  5. Step 5: Solve for x
    x = 3,221,947.91/2,925.49
  6. Step 6: Final answer
    x = 1,101.34

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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.