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Finding the Fourth Proportional to 60,099.92, 90,194.16 and 28,510.07

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Solution

The fourth proportional to 60,099.92, 90,194.16 and 28,510.07 is: 42,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,099.92 : 90,194.16 = 28,510.07 : x
  2. Step 2: Convert to fraction form
    60,099.92/90,194.16 = 28,510.07/x
  3. Step 3: Cross multiply
    60,099.92x = 90,194.16 × 28,510.07
  4. Step 4: Simplify right side
    60,099.92x = 2,571,441,815.19
  5. Step 5: Solve for x
    x = 2,571,441,815.19/60,099.92
  6. Step 6: Final answer
    x = 42,786.11

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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.