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Finding the Fourth Proportional to 52,774.76, 79,142.97 and 15,324.68

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Solution

The fourth proportional to 52,774.76, 79,142.97 and 15,324.68 is: 22,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,774.76 : 79,142.97 = 15,324.68 : x
  2. Step 2: Convert to fraction form
    52,774.76/79,142.97 = 15,324.68/x
  3. Step 3: Cross multiply
    52,774.76x = 79,142.97 × 15,324.68
  4. Step 4: Simplify right side
    52,774.76x = 1,212,840,689.50
  5. Step 5: Solve for x
    x = 1,212,840,689.50/52,774.76
  6. Step 6: Final answer
    x = 22,981.45

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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.