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Finding the Fourth Proportional to 52,552.78, 78,830.25 and 17,492.74

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Solution

The fourth proportional to 52,552.78, 78,830.25 and 17,492.74 is: 26,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,552.78 : 78,830.25 = 17,492.74 : x
  2. Step 2: Convert to fraction form
    52,552.78/78,830.25 = 17,492.74/x
  3. Step 3: Cross multiply
    52,552.78x = 78,830.25 × 17,492.74
  4. Step 4: Simplify right side
    52,552.78x = 1,378,957,067.39
  5. Step 5: Solve for x
    x = 1,378,957,067.39/52,552.78
  6. Step 6: Final answer
    x = 26,239.47

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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.