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Finding the Fourth Proportional to 7,288.29, 10,060.29 and 4,739.49

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Solution

The fourth proportional to 7,288.29, 10,060.29 and 4,739.49 is: 6,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.29 : 10,060.29 = 4,739.49 : x
  2. Step 2: Convert to fraction form
    7,288.29/10,060.29 = 4,739.49/x
  3. Step 3: Cross multiply
    7,288.29x = 10,060.29 × 4,739.49
  4. Step 4: Simplify right side
    7,288.29x = 47,680,643.85
  5. Step 5: Solve for x
    x = 47,680,643.85/7,288.29
  6. Step 6: Final answer
    x = 6,542.09

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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.