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Finding the Fourth Proportional to 52,486.98, 78,706.78 and 15,038.48

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Solution

The fourth proportional to 52,486.98, 78,706.78 and 15,038.48 is: 22,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486.98 : 78,706.78 = 15,038.48 : x
  2. Step 2: Convert to fraction form
    52,486.98/78,706.78 = 15,038.48/x
  3. Step 3: Cross multiply
    52,486.98x = 78,706.78 × 15,038.48
  4. Step 4: Simplify right side
    52,486.98x = 1,183,629,905.76
  5. Step 5: Solve for x
    x = 1,183,629,905.76/52,486.98
  6. Step 6: Final answer
    x = 22,550.92

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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.