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Finding the Fourth Proportional to 65,166.24, 89,928.96 and 35,358.24

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Solution

The fourth proportional to 65,166.24, 89,928.96 and 35,358.24 is: 48,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.24 : 89,928.96 = 35,358.24 : x
  2. Step 2: Convert to fraction form
    65,166.24/89,928.96 = 35,358.24/x
  3. Step 3: Cross multiply
    65,166.24x = 89,928.96 × 35,358.24
  4. Step 4: Simplify right side
    65,166.24x = 3,179,729,750.63
  5. Step 5: Solve for x
    x = 3,179,729,750.63/65,166.24
  6. Step 6: Final answer
    x = 48,794.13

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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.