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Finding the Fourth Proportional to 52,496.88, 78,689.62 and 25,805.23

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Solution

The fourth proportional to 52,496.88, 78,689.62 and 25,805.23 is: 38,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,496.88 : 78,689.62 = 25,805.23 : x
  2. Step 2: Convert to fraction form
    52,496.88/78,689.62 = 25,805.23/x
  3. Step 3: Cross multiply
    52,496.88x = 78,689.62 × 25,805.23
  4. Step 4: Simplify right side
    52,496.88x = 2,030,604,057.16
  5. Step 5: Solve for x
    x = 2,030,604,057.16/52,496.88
  6. Step 6: Final answer
    x = 38,680.47

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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.