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Finding the Fourth Proportional to 34,708.98, 47,895.45 and 20,367.33

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Solution

The fourth proportional to 34,708.98, 47,895.45 and 20,367.33 is: 28,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,708.98 : 47,895.45 = 20,367.33 : x
  2. Step 2: Convert to fraction form
    34,708.98/47,895.45 = 20,367.33/x
  3. Step 3: Cross multiply
    34,708.98x = 47,895.45 × 20,367.33
  4. Step 4: Simplify right side
    34,708.98x = 975,502,435.65
  5. Step 5: Solve for x
    x = 975,502,435.65/34,708.98
  6. Step 6: Final answer
    x = 28,105.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.