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Finding the Fourth Proportional to 52,946.82, 79,378.56 and 36,256.32

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Solution

The fourth proportional to 52,946.82, 79,378.56 and 36,256.32 is: 54,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,946.82 : 79,378.56 = 36,256.32 : x
  2. Step 2: Convert to fraction form
    52,946.82/79,378.56 = 36,256.32/x
  3. Step 3: Cross multiply
    52,946.82x = 79,378.56 × 36,256.32
  4. Step 4: Simplify right side
    52,946.82x = 2,877,974,472.50
  5. Step 5: Solve for x
    x = 2,877,974,472.50/52,946.82
  6. Step 6: Final answer
    x = 54,355.95

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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.