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Finding the Fourth Proportional to 44,423, 66,634.51 and 11,591

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Solution

The fourth proportional to 44,423, 66,634.51 and 11,591 is: 17,386.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,423 : 66,634.51 = 11,591 : x
  2. Step 2: Convert to fraction form
    44,423/66,634.51 = 11,591/x
  3. Step 3: Cross multiply
    44,423x = 66,634.51 × 11,591
  4. Step 4: Simplify right side
    44,423x = 772,360,605.41
  5. Step 5: Solve for x
    x = 772,360,605.41/44,423
  6. Step 6: Final answer
    x = 17,386.50

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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.