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Finding the Fourth Proportional to 44,370, 66,559.32 and 11,538

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Solution

The fourth proportional to 44,370, 66,559.32 and 11,538 is: 17,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,370 : 66,559.32 = 11,538 : x
  2. Step 2: Convert to fraction form
    44,370/66,559.32 = 11,538/x
  3. Step 3: Cross multiply
    44,370x = 66,559.32 × 11,538
  4. Step 4: Simplify right side
    44,370x = 767,961,434.16
  5. Step 5: Solve for x
    x = 767,961,434.16/44,370
  6. Step 6: Final answer
    x = 17,308.12

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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.