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Finding the Fourth Proportional to 60,444, 90,669.24 and 18,894.24

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Solution

The fourth proportional to 60,444, 90,669.24 and 18,894.24 is: 28,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,444 : 90,669.24 = 18,894.24 : x
  2. Step 2: Convert to fraction form
    60,444/90,669.24 = 18,894.24/x
  3. Step 3: Cross multiply
    60,444x = 90,669.24 × 18,894.24
  4. Step 4: Simplify right side
    60,444x = 1,713,126,381.18
  5. Step 5: Solve for x
    x = 1,713,126,381.18/60,444
  6. Step 6: Final answer
    x = 28,342.37

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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.