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Finding the Fourth Proportional to 64,478.08, 96,735.84 and 22,928.32

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Solution

The fourth proportional to 64,478.08, 96,735.84 and 22,928.32 is: 34,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,478.08 : 96,735.84 = 22,928.32 : x
  2. Step 2: Convert to fraction form
    64,478.08/96,735.84 = 22,928.32/x
  3. Step 3: Cross multiply
    64,478.08x = 96,735.84 × 22,928.32
  4. Step 4: Simplify right side
    64,478.08x = 2,217,990,294.99
  5. Step 5: Solve for x
    x = 2,217,990,294.99/64,478.08
  6. Step 6: Final answer
    x = 34,399.14

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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.