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Finding the Fourth Proportional to 65,335.68, 98,006.76 and 18,591.84

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Solution

The fourth proportional to 65,335.68, 98,006.76 and 18,591.84 is: 27,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,335.68 : 98,006.76 = 18,591.84 : x
  2. Step 2: Convert to fraction form
    65,335.68/98,006.76 = 18,591.84/x
  3. Step 3: Cross multiply
    65,335.68x = 98,006.76 × 18,591.84
  4. Step 4: Simplify right side
    65,335.68x = 1,822,126,000.84
  5. Step 5: Solve for x
    x = 1,822,126,000.84/65,335.68
  6. Step 6: Final answer
    x = 27,888.68

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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.