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Finding the Fourth Proportional to 38,006.70, 57,010.05 and 10,304.70

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Solution

The fourth proportional to 38,006.70, 57,010.05 and 10,304.70 is: 15,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,006.70 : 57,010.05 = 10,304.70 : x
  2. Step 2: Convert to fraction form
    38,006.70/57,010.05 = 10,304.70/x
  3. Step 3: Cross multiply
    38,006.70x = 57,010.05 × 10,304.70
  4. Step 4: Simplify right side
    38,006.70x = 587,471,462.24
  5. Step 5: Solve for x
    x = 587,471,462.24/38,006.70
  6. Step 6: Final answer
    x = 15,457.05

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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.