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Finding the Fourth Proportional to 64,431.91, 96,624.71 and 22,300.57

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Solution

The fourth proportional to 64,431.91, 96,624.71 and 22,300.57 is: 33,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,431.91 : 96,624.71 = 22,300.57 : x
  2. Step 2: Convert to fraction form
    64,431.91/96,624.71 = 22,300.57/x
  3. Step 3: Cross multiply
    64,431.91x = 96,624.71 × 22,300.57
  4. Step 4: Simplify right side
    64,431.91x = 2,154,786,109.08
  5. Step 5: Solve for x
    x = 2,154,786,109.08/64,431.91
  6. Step 6: Final answer
    x = 33,442.84

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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.