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Finding the Fourth Proportional to 64,431.52, 96,624.09 and 22,300.14

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Solution

The fourth proportional to 64,431.52, 96,624.09 and 22,300.14 is: 33,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,431.52 : 96,624.09 = 22,300.14 : x
  2. Step 2: Convert to fraction form
    64,431.52/96,624.09 = 22,300.14/x
  3. Step 3: Cross multiply
    64,431.52x = 96,624.09 × 22,300.14
  4. Step 4: Simplify right side
    64,431.52x = 2,154,731,096.71
  5. Step 5: Solve for x
    x = 2,154,731,096.71/64,431.52
  6. Step 6: Final answer
    x = 33,442.19

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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.