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Finding the Fourth Proportional to 60,083.64, 89,994.16 and 30,450.60

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Solution

The fourth proportional to 60,083.64, 89,994.16 and 30,450.60 is: 45,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,083.64 : 89,994.16 = 30,450.60 : x
  2. Step 2: Convert to fraction form
    60,083.64/89,994.16 = 30,450.60/x
  3. Step 3: Cross multiply
    60,083.64x = 89,994.16 × 30,450.60
  4. Step 4: Simplify right side
    60,083.64x = 2,740,376,168.50
  5. Step 5: Solve for x
    x = 2,740,376,168.50/60,083.64
  6. Step 6: Final answer
    x = 45,609.36

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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.