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Finding the Fourth Proportional to 44,649.62, 66,973.35 and 11,369.76

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Solution

The fourth proportional to 44,649.62, 66,973.35 and 11,369.76 is: 17,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,649.62 : 66,973.35 = 11,369.76 : x
  2. Step 2: Convert to fraction form
    44,649.62/66,973.35 = 11,369.76/x
  3. Step 3: Cross multiply
    44,649.62x = 66,973.35 × 11,369.76
  4. Step 4: Simplify right side
    44,649.62x = 761,470,915.90
  5. Step 5: Solve for x
    x = 761,470,915.90/44,649.62
  6. Step 6: Final answer
    x = 17,054.36

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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.