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Finding the Fourth Proportional to 64,208.30, 96,322.71 and 19,824.62

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Solution

The fourth proportional to 64,208.30, 96,322.71 and 19,824.62 is: 29,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.30 : 96,322.71 = 19,824.62 : x
  2. Step 2: Convert to fraction form
    64,208.30/96,322.71 = 19,824.62/x
  3. Step 3: Cross multiply
    64,208.30x = 96,322.71 × 19,824.62
  4. Step 4: Simplify right side
    64,208.30x = 1,909,561,123.12
  5. Step 5: Solve for x
    x = 1,909,561,123.12/64,208.30
  6. Step 6: Final answer
    x = 29,740.10

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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.