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Finding the Fourth Proportional to 38,703.56, 58,065.07 and 11,001.56

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Solution

The fourth proportional to 38,703.56, 58,065.07 and 11,001.56 is: 16,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,703.56 : 58,065.07 = 11,001.56 : x
  2. Step 2: Convert to fraction form
    38,703.56/58,065.07 = 11,001.56/x
  3. Step 3: Cross multiply
    38,703.56x = 58,065.07 × 11,001.56
  4. Step 4: Simplify right side
    38,703.56x = 638,806,469.17
  5. Step 5: Solve for x
    x = 638,806,469.17/38,703.56
  6. Step 6: Final answer
    x = 16,505.11

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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.