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Finding the Fourth Proportional to 65,934.81, 90,967.66 and 37,250.28

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Solution

The fourth proportional to 65,934.81, 90,967.66 and 37,250.28 is: 51,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.81 : 90,967.66 = 37,250.28 : x
  2. Step 2: Convert to fraction form
    65,934.81/90,967.66 = 37,250.28/x
  3. Step 3: Cross multiply
    65,934.81x = 90,967.66 × 37,250.28
  4. Step 4: Simplify right side
    65,934.81x = 3,388,570,712.82
  5. Step 5: Solve for x
    x = 3,388,570,712.82/65,934.81
  6. Step 6: Final answer
    x = 51,392.74

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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.