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Finding the Fourth Proportional to 65,937.69, 91,046.16 and 60,899.90

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Solution

The fourth proportional to 65,937.69, 91,046.16 and 60,899.90 is: 84,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937.69 : 91,046.16 = 60,899.90 : x
  2. Step 2: Convert to fraction form
    65,937.69/91,046.16 = 60,899.90/x
  3. Step 3: Cross multiply
    65,937.69x = 91,046.16 × 60,899.90
  4. Step 4: Simplify right side
    65,937.69x = 5,544,702,039.38
  5. Step 5: Solve for x
    x = 5,544,702,039.38/65,937.69
  6. Step 6: Final answer
    x = 84,090.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.