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Finding the Fourth Proportional to 2,925.59, 4,388.13 and 734.31

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Solution

The fourth proportional to 2,925.59, 4,388.13 and 734.31 is: 1,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.59 : 4,388.13 = 734.31 : x
  2. Step 2: Convert to fraction form
    2,925.59/4,388.13 = 734.31/x
  3. Step 3: Cross multiply
    2,925.59x = 4,388.13 × 734.31
  4. Step 4: Simplify right side
    2,925.59x = 3,222,247.74
  5. Step 5: Solve for x
    x = 3,222,247.74/2,925.59
  6. Step 6: Final answer
    x = 1,101.40

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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.