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Finding the Fourth Proportional to 65,377.68, 98,066.76 and 16,129.68

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Solution

The fourth proportional to 65,377.68, 98,066.76 and 16,129.68 is: 24,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,377.68 : 98,066.76 = 16,129.68 : x
  2. Step 2: Convert to fraction form
    65,377.68/98,066.76 = 16,129.68/x
  3. Step 3: Cross multiply
    65,377.68x = 98,066.76 × 16,129.68
  4. Step 4: Simplify right side
    65,377.68x = 1,581,785,457.44
  5. Step 5: Solve for x
    x = 1,581,785,457.44/65,377.68
  6. Step 6: Final answer
    x = 24,194.58

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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.