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Finding the Fourth Proportional to 7,293.64, 10,065.04 and 4,149.64

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Solution

The fourth proportional to 7,293.64, 10,065.04 and 4,149.64 is: 5,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.64 : 10,065.04 = 4,149.64 : x
  2. Step 2: Convert to fraction form
    7,293.64/10,065.04 = 4,149.64/x
  3. Step 3: Cross multiply
    7,293.64x = 10,065.04 × 4,149.64
  4. Step 4: Simplify right side
    7,293.64x = 41,766,292.59
  5. Step 5: Solve for x
    x = 41,766,292.59/7,293.64
  6. Step 6: Final answer
    x = 5,726.40

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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.