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Finding the Fourth Proportional to 52,551.08, 78,839.42 and 15,615.08

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Solution

The fourth proportional to 52,551.08, 78,839.42 and 15,615.08 is: 23,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,551.08 : 78,839.42 = 15,615.08 : x
  2. Step 2: Convert to fraction form
    52,551.08/78,839.42 = 15,615.08/x
  3. Step 3: Cross multiply
    52,551.08x = 78,839.42 × 15,615.08
  4. Step 4: Simplify right side
    52,551.08x = 1,231,083,850.45
  5. Step 5: Solve for x
    x = 1,231,083,850.45/52,551.08
  6. Step 6: Final answer
    x = 23,426.42

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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.