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Finding the Fourth Proportional to 65,645.88, 98,468.10 and 44,533.62

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Solution

The fourth proportional to 65,645.88, 98,468.10 and 44,533.62 is: 66,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,645.88 : 98,468.10 = 44,533.62 : x
  2. Step 2: Convert to fraction form
    65,645.88/98,468.10 = 44,533.62/x
  3. Step 3: Cross multiply
    65,645.88x = 98,468.10 × 44,533.62
  4. Step 4: Simplify right side
    65,645.88x = 4,385,140,947.52
  5. Step 5: Solve for x
    x = 4,385,140,947.52/65,645.88
  6. Step 6: Final answer
    x = 66,799.94

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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.