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Finding the Fourth Proportional to 44,190, 66,288.24 and 16,488

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Solution

The fourth proportional to 44,190, 66,288.24 and 16,488 is: 24,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,190 : 66,288.24 = 16,488 : x
  2. Step 2: Convert to fraction form
    44,190/66,288.24 = 16,488/x
  3. Step 3: Cross multiply
    44,190x = 66,288.24 × 16,488
  4. Step 4: Simplify right side
    44,190x = 1,092,960,501.12
  5. Step 5: Solve for x
    x = 1,092,960,501.12/44,190
  6. Step 6: Final answer
    x = 24,733.21

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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.