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Finding the Fourth Proportional to 38,963.03, 58,444.58 and 9,380.87

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Solution

The fourth proportional to 38,963.03, 58,444.58 and 9,380.87 is: 14,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.03 : 58,444.58 = 9,380.87 : x
  2. Step 2: Convert to fraction form
    38,963.03/58,444.58 = 9,380.87/x
  3. Step 3: Cross multiply
    38,963.03x = 58,444.58 × 9,380.87
  4. Step 4: Simplify right side
    38,963.03x = 548,260,668.06
  5. Step 5: Solve for x
    x = 548,260,668.06/38,963.03
  6. Step 6: Final answer
    x = 14,071.30

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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.