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Finding the Fourth Proportional to 64,450.74, 96,561.68 and 26,928.21

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Solution

The fourth proportional to 64,450.74, 96,561.68 and 26,928.21 is: 40,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,450.74 : 96,561.68 = 26,928.21 : x
  2. Step 2: Convert to fraction form
    64,450.74/96,561.68 = 26,928.21/x
  3. Step 3: Cross multiply
    64,450.74x = 96,561.68 × 26,928.21
  4. Step 4: Simplify right side
    64,450.74x = 2,600,233,062.35
  5. Step 5: Solve for x
    x = 2,600,233,062.35/64,450.74
  6. Step 6: Final answer
    x = 40,344.50

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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.