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Finding the Fourth Proportional to 64,585.28, 96,870.72 and 22,458.08

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Solution

The fourth proportional to 64,585.28, 96,870.72 and 22,458.08 is: 33,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,585.28 : 96,870.72 = 22,458.08 : x
  2. Step 2: Convert to fraction form
    64,585.28/96,870.72 = 22,458.08/x
  3. Step 3: Cross multiply
    64,585.28x = 96,870.72 × 22,458.08
  4. Step 4: Simplify right side
    64,585.28x = 2,175,530,379.42
  5. Step 5: Solve for x
    x = 2,175,530,379.42/64,585.28
  6. Step 6: Final answer
    x = 33,684.62

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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.