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Finding the Fourth Proportional to 65,339.76, 97,997.90 and 17,308.69

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Solution

The fourth proportional to 65,339.76, 97,997.90 and 17,308.69 is: 25,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,339.76 : 97,997.90 = 17,308.69 : x
  2. Step 2: Convert to fraction form
    65,339.76/97,997.90 = 17,308.69/x
  3. Step 3: Cross multiply
    65,339.76x = 97,997.90 × 17,308.69
  4. Step 4: Simplify right side
    65,339.76x = 1,696,215,037.57
  5. Step 5: Solve for x
    x = 1,696,215,037.57/65,339.76
  6. Step 6: Final answer
    x = 25,959.92

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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.