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Finding the Fourth Proportional to 64,444.62, 96,643.68 and 22,313.28

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Solution

The fourth proportional to 64,444.62, 96,643.68 and 22,313.28 is: 33,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,444.62 : 96,643.68 = 22,313.28 : x
  2. Step 2: Convert to fraction form
    64,444.62/96,643.68 = 22,313.28/x
  3. Step 3: Cross multiply
    64,444.62x = 96,643.68 × 22,313.28
  4. Step 4: Simplify right side
    64,444.62x = 2,156,437,492.07
  5. Step 5: Solve for x
    x = 2,156,437,492.07/64,444.62
  6. Step 6: Final answer
    x = 33,461.87

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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.