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Finding the Fourth Proportional to 59,609.01, 89,390.04 and 21,649.31

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Solution

The fourth proportional to 59,609.01, 89,390.04 and 21,649.31 is: 32,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,609.01 : 89,390.04 = 21,649.31 : x
  2. Step 2: Convert to fraction form
    59,609.01/89,390.04 = 21,649.31/x
  3. Step 3: Cross multiply
    59,609.01x = 89,390.04 × 21,649.31
  4. Step 4: Simplify right side
    59,609.01x = 1,935,232,686.87
  5. Step 5: Solve for x
    x = 1,935,232,686.87/59,609.01
  6. Step 6: Final answer
    x = 32,465.44

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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.