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Finding the Fourth Proportional to 60,783, 91,207.23 and 29,618.25

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Solution

The fourth proportional to 60,783, 91,207.23 and 29,618.25 is: 44,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,783 : 91,207.23 = 29,618.25 : x
  2. Step 2: Convert to fraction form
    60,783/91,207.23 = 29,618.25/x
  3. Step 3: Cross multiply
    60,783x = 91,207.23 × 29,618.25
  4. Step 4: Simplify right side
    60,783x = 2,701,398,539.95
  5. Step 5: Solve for x
    x = 2,701,398,539.95/60,783
  6. Step 6: Final answer
    x = 44,443.32

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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.