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Finding the Fourth Proportional to 59,950.40, 89,983.20 and 30,401.60

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Solution

The fourth proportional to 59,950.40, 89,983.20 and 30,401.60 is: 45,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,950.40 : 89,983.20 = 30,401.60 : x
  2. Step 2: Convert to fraction form
    59,950.40/89,983.20 = 30,401.60/x
  3. Step 3: Cross multiply
    59,950.40x = 89,983.20 × 30,401.60
  4. Step 4: Simplify right side
    59,950.40x = 2,735,633,253.12
  5. Step 5: Solve for x
    x = 2,735,633,253.12/59,950.40
  6. Step 6: Final answer
    x = 45,631.61

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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.