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Finding the Fourth Proportional to 52,366.88, 78,503.48 and 19,063.48

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Solution

The fourth proportional to 52,366.88, 78,503.48 and 19,063.48 is: 28,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,366.88 : 78,503.48 = 19,063.48 : x
  2. Step 2: Convert to fraction form
    52,366.88/78,503.48 = 19,063.48/x
  3. Step 3: Cross multiply
    52,366.88x = 78,503.48 × 19,063.48
  4. Step 4: Simplify right side
    52,366.88x = 1,496,549,520.91
  5. Step 5: Solve for x
    x = 1,496,549,520.91/52,366.88
  6. Step 6: Final answer
    x = 28,578.17

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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.