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Finding the Fourth Proportional to 4,953.92, 7,430.19 and 1,255.92

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Solution

The fourth proportional to 4,953.92, 7,430.19 and 1,255.92 is: 1,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.92 : 7,430.19 = 1,255.92 : x
  2. Step 2: Convert to fraction form
    4,953.92/7,430.19 = 1,255.92/x
  3. Step 3: Cross multiply
    4,953.92x = 7,430.19 × 1,255.92
  4. Step 4: Simplify right side
    4,953.92x = 9,331,724.22
  5. Step 5: Solve for x
    x = 9,331,724.22/4,953.92
  6. Step 6: Final answer
    x = 1,883.71

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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.