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Finding the Fourth Proportional to 59,324.60, 88,986.90 and 28,220.60

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Solution

The fourth proportional to 59,324.60, 88,986.90 and 28,220.60 is: 42,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,324.60 : 88,986.90 = 28,220.60 : x
  2. Step 2: Convert to fraction form
    59,324.60/88,986.90 = 28,220.60/x
  3. Step 3: Cross multiply
    59,324.60x = 88,986.90 × 28,220.60
  4. Step 4: Simplify right side
    59,324.60x = 2,511,263,710.14
  5. Step 5: Solve for x
    x = 2,511,263,710.14/59,324.60
  6. Step 6: Final answer
    x = 42,330.90

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1.5x scale

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.