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Finding the Fourth Proportional to 44,497.64, 66,822.78 and 39,511.28

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Solution

The fourth proportional to 44,497.64, 66,822.78 and 39,511.28 is: 59,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,497.64 : 66,822.78 = 39,511.28 : x
  2. Step 2: Convert to fraction form
    44,497.64/66,822.78 = 39,511.28/x
  3. Step 3: Cross multiply
    44,497.64x = 66,822.78 × 39,511.28
  4. Step 4: Simplify right side
    44,497.64x = 2,640,253,570.96
  5. Step 5: Solve for x
    x = 2,640,253,570.96/44,497.64
  6. Step 6: Final answer
    x = 59,334.69

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1.5x scale

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.