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Finding the Fourth Proportional to 44,363.70, 66,415.95 and 39,698.10

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Solution

The fourth proportional to 44,363.70, 66,415.95 and 39,698.10 is: 59,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,363.70 : 66,415.95 = 39,698.10 : x
  2. Step 2: Convert to fraction form
    44,363.70/66,415.95 = 39,698.10/x
  3. Step 3: Cross multiply
    44,363.70x = 66,415.95 × 39,698.10
  4. Step 4: Simplify right side
    44,363.70x = 2,636,587,024.70
  5. Step 5: Solve for x
    x = 2,636,587,024.70/44,363.70
  6. Step 6: Final answer
    x = 59,431.18

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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.