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Finding the Fourth Proportional to 65,179.24, 89,946.90 and 35,371.24

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Solution

The fourth proportional to 65,179.24, 89,946.90 and 35,371.24 is: 48,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,179.24 : 89,946.90 = 35,371.24 : x
  2. Step 2: Convert to fraction form
    65,179.24/89,946.90 = 35,371.24/x
  3. Step 3: Cross multiply
    65,179.24x = 89,946.90 × 35,371.24
  4. Step 4: Simplify right side
    65,179.24x = 3,181,533,387.16
  5. Step 5: Solve for x
    x = 3,181,533,387.16/65,179.24
  6. Step 6: Final answer
    x = 48,812.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.