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Finding the Fourth Proportional to 64,326.34, 96,464.40 and 21,623.14

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Solution

The fourth proportional to 64,326.34, 96,464.40 and 21,623.14 is: 32,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,326.34 : 96,464.40 = 21,623.14 : x
  2. Step 2: Convert to fraction form
    64,326.34/96,464.40 = 21,623.14/x
  3. Step 3: Cross multiply
    64,326.34x = 96,464.40 × 21,623.14
  4. Step 4: Simplify right side
    64,326.34x = 2,085,863,226.22
  5. Step 5: Solve for x
    x = 2,085,863,226.22/64,326.34
  6. Step 6: Final answer
    x = 32,426.27

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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.