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Finding the Fourth Proportional to 38,695.46, 58,044.26 and 10,993.46

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Solution

The fourth proportional to 38,695.46, 58,044.26 and 10,993.46 is: 16,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.46 : 58,044.26 = 10,993.46 : x
  2. Step 2: Convert to fraction form
    38,695.46/58,044.26 = 10,993.46/x
  3. Step 3: Cross multiply
    38,695.46x = 58,044.26 × 10,993.46
  4. Step 4: Simplify right side
    38,695.46x = 638,106,987.80
  5. Step 5: Solve for x
    x = 638,106,987.80/38,695.46
  6. Step 6: Final answer
    x = 16,490.49

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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.