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Finding the Fourth Proportional to 65,894.32, 90,927.20 and 37,212.26

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Solution

The fourth proportional to 65,894.32, 90,927.20 and 37,212.26 is: 51,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.32 : 90,927.20 = 37,212.26 : x
  2. Step 2: Convert to fraction form
    65,894.32/90,927.20 = 37,212.26/x
  3. Step 3: Cross multiply
    65,894.32x = 90,927.20 × 37,212.26
  4. Step 4: Simplify right side
    65,894.32x = 3,383,606,607.47
  5. Step 5: Solve for x
    x = 3,383,606,607.47/65,894.32
  6. Step 6: Final answer
    x = 51,348.99

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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.