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Finding the Fourth Proportional to 44,496.30, 66,733.92 and 12,897.99

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Solution

The fourth proportional to 44,496.30, 66,733.92 and 12,897.99 is: 19,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,496.30 : 66,733.92 = 12,897.99 : x
  2. Step 2: Convert to fraction form
    44,496.30/66,733.92 = 12,897.99/x
  3. Step 3: Cross multiply
    44,496.30x = 66,733.92 × 12,897.99
  4. Step 4: Simplify right side
    44,496.30x = 860,733,432.82
  5. Step 5: Solve for x
    x = 860,733,432.82/44,496.30
  6. Step 6: Final answer
    x = 19,343.93

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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.