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Finding the Fourth Proportional to 60,091.44, 90,099 and 31,994.16

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Solution

The fourth proportional to 60,091.44, 90,099 and 31,994.16 is: 47,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,091.44 : 90,099 = 31,994.16 : x
  2. Step 2: Convert to fraction form
    60,091.44/90,099 = 31,994.16/x
  3. Step 3: Cross multiply
    60,091.44x = 90,099 × 31,994.16
  4. Step 4: Simplify right side
    60,091.44x = 2,882,641,821.84
  5. Step 5: Solve for x
    x = 2,882,641,821.84/60,091.44
  6. Step 6: Final answer
    x = 47,970.92

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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.