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Finding the Fourth Proportional to 38,751.63, 58,127.98 and 11,049.63

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Solution

The fourth proportional to 38,751.63, 58,127.98 and 11,049.63 is: 16,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.63 : 58,127.98 = 11,049.63 : x
  2. Step 2: Convert to fraction form
    38,751.63/58,127.98 = 11,049.63/x
  3. Step 3: Cross multiply
    38,751.63x = 58,127.98 × 11,049.63
  4. Step 4: Simplify right side
    38,751.63x = 642,292,671.65
  5. Step 5: Solve for x
    x = 642,292,671.65/38,751.63
  6. Step 6: Final answer
    x = 16,574.60

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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.