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Finding the Fourth Proportional to 59,430.88, 89,136.40 and 22,008.64

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Solution

The fourth proportional to 59,430.88, 89,136.40 and 22,008.64 is: 33,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,430.88 : 89,136.40 = 22,008.64 : x
  2. Step 2: Convert to fraction form
    59,430.88/89,136.40 = 22,008.64/x
  3. Step 3: Cross multiply
    59,430.88x = 89,136.40 × 22,008.64
  4. Step 4: Simplify right side
    59,430.88x = 1,961,770,938.50
  5. Step 5: Solve for x
    x = 1,961,770,938.50/59,430.88
  6. Step 6: Final answer
    x = 33,009.29

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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.