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Finding the Fourth Proportional to 65,329.68, 97,997.76 and 18,585.84

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Solution

The fourth proportional to 65,329.68, 97,997.76 and 18,585.84 is: 27,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,329.68 : 97,997.76 = 18,585.84 : x
  2. Step 2: Convert to fraction form
    65,329.68/97,997.76 = 18,585.84/x
  3. Step 3: Cross multiply
    65,329.68x = 97,997.76 × 18,585.84
  4. Step 4: Simplify right side
    65,329.68x = 1,821,370,687.72
  5. Step 5: Solve for x
    x = 1,821,370,687.72/65,329.68
  6. Step 6: Final answer
    x = 27,879.68

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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.