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Finding the Fourth Proportional to 38,703.70, 58,065.29 and 11,001.70

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Solution

The fourth proportional to 38,703.70, 58,065.29 and 11,001.70 is: 16,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,703.70 : 58,065.29 = 11,001.70 : x
  2. Step 2: Convert to fraction form
    38,703.70/58,065.29 = 11,001.70/x
  3. Step 3: Cross multiply
    38,703.70x = 58,065.29 × 11,001.70
  4. Step 4: Simplify right side
    38,703.70x = 638,816,555.66
  5. Step 5: Solve for x
    x = 638,816,555.66/38,703.70
  6. Step 6: Final answer
    x = 16,505.31

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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.