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Finding the Fourth Proportional to 60,382.92, 90,533.07 and 30,743.40

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Solution

The fourth proportional to 60,382.92, 90,533.07 and 30,743.40 is: 46,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,382.92 : 90,533.07 = 30,743.40 : x
  2. Step 2: Convert to fraction form
    60,382.92/90,533.07 = 30,743.40/x
  3. Step 3: Cross multiply
    60,382.92x = 90,533.07 × 30,743.40
  4. Step 4: Simplify right side
    60,382.92x = 2,783,294,384.24
  5. Step 5: Solve for x
    x = 2,783,294,384.24/60,382.92
  6. Step 6: Final answer
    x = 46,094.07

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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.