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Finding the Fourth Proportional to 59,509.60, 89,091.60 and 57,781.60

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Solution

The fourth proportional to 59,509.60, 89,091.60 and 57,781.60 is: 86,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,509.60 : 89,091.60 = 57,781.60 : x
  2. Step 2: Convert to fraction form
    59,509.60/89,091.60 = 57,781.60/x
  3. Step 3: Cross multiply
    59,509.60x = 89,091.60 × 57,781.60
  4. Step 4: Simplify right side
    59,509.60x = 5,147,855,194.56
  5. Step 5: Solve for x
    x = 5,147,855,194.56/59,509.60
  6. Step 6: Final answer
    x = 86,504.62

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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.