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Finding the Fourth Proportional to 52,336.64, 78,496.24 and 15,392

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Solution

The fourth proportional to 52,336.64, 78,496.24 and 15,392 is: 23,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,336.64 : 78,496.24 = 15,392 : x
  2. Step 2: Convert to fraction form
    52,336.64/78,496.24 = 15,392/x
  3. Step 3: Cross multiply
    52,336.64x = 78,496.24 × 15,392
  4. Step 4: Simplify right side
    52,336.64x = 1,208,214,126.08
  5. Step 5: Solve for x
    x = 1,208,214,126.08/52,336.64
  6. Step 6: Final answer
    x = 23,085.44

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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.