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Finding the Fourth Proportional to 69,014.34, 95,239.21 and 38,799.80

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Solution

The fourth proportional to 69,014.34, 95,239.21 and 38,799.80 is: 53,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014.34 : 95,239.21 = 38,799.80 : x
  2. Step 2: Convert to fraction form
    69,014.34/95,239.21 = 38,799.80/x
  3. Step 3: Cross multiply
    69,014.34x = 95,239.21 × 38,799.80
  4. Step 4: Simplify right side
    69,014.34x = 3,695,262,300.16
  5. Step 5: Solve for x
    x = 3,695,262,300.16/69,014.34
  6. Step 6: Final answer
    x = 53,543.40

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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.