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Finding the Fourth Proportional to 44,409.89, 66,569.93 and 19,125.89

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Solution

The fourth proportional to 44,409.89, 66,569.93 and 19,125.89 is: 28,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,409.89 : 66,569.93 = 19,125.89 : x
  2. Step 2: Convert to fraction form
    44,409.89/66,569.93 = 19,125.89/x
  3. Step 3: Cross multiply
    44,409.89x = 66,569.93 × 19,125.89
  4. Step 4: Simplify right side
    44,409.89x = 1,273,209,158.49
  5. Step 5: Solve for x
    x = 1,273,209,158.49/44,409.89
  6. Step 6: Final answer
    x = 28,669.50

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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.