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Finding the Fourth Proportional to 64,461.61, 96,668.79 and 22,330.81

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Solution

The fourth proportional to 64,461.61, 96,668.79 and 22,330.81 is: 33,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.61 : 96,668.79 = 22,330.81 : x
  2. Step 2: Convert to fraction form
    64,461.61/96,668.79 = 22,330.81/x
  3. Step 3: Cross multiply
    64,461.61x = 96,668.79 × 22,330.81
  4. Step 4: Simplify right side
    64,461.61x = 2,158,692,382.42
  5. Step 5: Solve for x
    x = 2,158,692,382.42/64,461.61
  6. Step 6: Final answer
    x = 33,488.03

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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.