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Finding the Fourth Proportional to 61,205.62, 91,806.60 and 21,735.13

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Solution

The fourth proportional to 61,205.62, 91,806.60 and 21,735.13 is: 32,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205.62 : 91,806.60 = 21,735.13 : x
  2. Step 2: Convert to fraction form
    61,205.62/91,806.60 = 21,735.13/x
  3. Step 3: Cross multiply
    61,205.62x = 91,806.60 × 21,735.13
  4. Step 4: Simplify right side
    61,205.62x = 1,995,428,385.86
  5. Step 5: Solve for x
    x = 1,995,428,385.86/61,205.62
  6. Step 6: Final answer
    x = 32,602.05

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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.