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Finding the Fourth Proportional to 38,498.56, 57,750 and 10,798.72

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Solution

The fourth proportional to 38,498.56, 57,750 and 10,798.72 is: 16,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498.56 : 57,750 = 10,798.72 : x
  2. Step 2: Convert to fraction form
    38,498.56/57,750 = 10,798.72/x
  3. Step 3: Cross multiply
    38,498.56x = 57,750 × 10,798.72
  4. Step 4: Simplify right side
    38,498.56x = 623,626,080
  5. Step 5: Solve for x
    x = 623,626,080/38,498.56
  6. Step 6: Final answer
    x = 16,198.69

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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.