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Finding the Fourth Proportional to 52,378.36, 78,505.03 and 36,497.36

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Solution

The fourth proportional to 52,378.36, 78,505.03 and 36,497.36 is: 54,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.36 : 78,505.03 = 36,497.36 : x
  2. Step 2: Convert to fraction form
    52,378.36/78,505.03 = 36,497.36/x
  3. Step 3: Cross multiply
    52,378.36x = 78,505.03 × 36,497.36
  4. Step 4: Simplify right side
    52,378.36x = 2,865,226,341.72
  5. Step 5: Solve for x
    x = 2,865,226,341.72/52,378.36
  6. Step 6: Final answer
    x = 54,702.48

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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.