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Finding the Fourth Proportional to 65,918.30, 98,833.77 and 36,350.30

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Solution

The fourth proportional to 65,918.30, 98,833.77 and 36,350.30 is: 54,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.30 : 98,833.77 = 36,350.30 : x
  2. Step 2: Convert to fraction form
    65,918.30/98,833.77 = 36,350.30/x
  3. Step 3: Cross multiply
    65,918.30x = 98,833.77 × 36,350.30
  4. Step 4: Simplify right side
    65,918.30x = 3,592,637,189.63
  5. Step 5: Solve for x
    x = 3,592,637,189.63/65,918.30
  6. Step 6: Final answer
    x = 54,501.36

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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.