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Finding the Fourth Proportional to 59,316.80, 89,010.26 and 21,903.08

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Solution

The fourth proportional to 59,316.80, 89,010.26 and 21,903.08 is: 32,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,316.80 : 89,010.26 = 21,903.08 : x
  2. Step 2: Convert to fraction form
    59,316.80/89,010.26 = 21,903.08/x
  3. Step 3: Cross multiply
    59,316.80x = 89,010.26 × 21,903.08
  4. Step 4: Simplify right side
    59,316.80x = 1,949,598,845.60
  5. Step 5: Solve for x
    x = 1,949,598,845.60/59,316.80
  6. Step 6: Final answer
    x = 32,867.57

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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.