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Finding the Fourth Proportional to 62,703.20, 94,019.16 and 48,466.64

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Solution

The fourth proportional to 62,703.20, 94,019.16 and 48,466.64 is: 72,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,703.20 : 94,019.16 = 48,466.64 : x
  2. Step 2: Convert to fraction form
    62,703.20/94,019.16 = 48,466.64/x
  3. Step 3: Cross multiply
    62,703.20x = 94,019.16 × 48,466.64
  4. Step 4: Simplify right side
    62,703.20x = 4,556,792,780.82
  5. Step 5: Solve for x
    x = 4,556,792,780.82/62,703.20
  6. Step 6: Final answer
    x = 72,672.41

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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.