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Finding the Fourth Proportional to 64,614.40, 96,855.48 and 22,459.89

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Solution

The fourth proportional to 64,614.40, 96,855.48 and 22,459.89 is: 33,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,614.40 : 96,855.48 = 22,459.89 : x
  2. Step 2: Convert to fraction form
    64,614.40/96,855.48 = 22,459.89/x
  3. Step 3: Cross multiply
    64,614.40x = 96,855.48 × 22,459.89
  4. Step 4: Simplify right side
    64,614.40x = 2,175,363,643.34
  5. Step 5: Solve for x
    x = 2,175,363,643.34/64,614.40
  6. Step 6: Final answer
    x = 33,666.85

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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.