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Finding the Fourth Proportional to 52,549.26, 78,837.04 and 15,109.34

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Solution

The fourth proportional to 52,549.26, 78,837.04 and 15,109.34 is: 22,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,549.26 : 78,837.04 = 15,109.34 : x
  2. Step 2: Convert to fraction form
    52,549.26/78,837.04 = 15,109.34/x
  3. Step 3: Cross multiply
    52,549.26x = 78,837.04 × 15,109.34
  4. Step 4: Simplify right side
    52,549.26x = 1,191,175,641.95
  5. Step 5: Solve for x
    x = 1,191,175,641.95/52,549.26
  6. Step 6: Final answer
    x = 22,667.79

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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.