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Finding the Fourth Proportional to 65,995.81, 91,073.10 and 37,315.03

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Solution

The fourth proportional to 65,995.81, 91,073.10 and 37,315.03 is: 51,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,995.81 : 91,073.10 = 37,315.03 : x
  2. Step 2: Convert to fraction form
    65,995.81/91,073.10 = 37,315.03/x
  3. Step 3: Cross multiply
    65,995.81x = 91,073.10 × 37,315.03
  4. Step 4: Simplify right side
    65,995.81x = 3,398,395,231.01
  5. Step 5: Solve for x
    x = 3,398,395,231.01/65,995.81
  6. Step 6: Final answer
    x = 51,494.11

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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.