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Finding the Fourth Proportional to 59,459.48, 89,202.87 and 20,015.54

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Solution

The fourth proportional to 59,459.48, 89,202.87 and 20,015.54 is: 30,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,459.48 : 89,202.87 = 20,015.54 : x
  2. Step 2: Convert to fraction form
    59,459.48/89,202.87 = 20,015.54/x
  3. Step 3: Cross multiply
    59,459.48x = 89,202.87 × 20,015.54
  4. Step 4: Simplify right side
    59,459.48x = 1,785,443,612.60
  5. Step 5: Solve for x
    x = 1,785,443,612.60/59,459.48
  6. Step 6: Final answer
    x = 30,027.90

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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.