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Finding the Fourth Proportional to 37,571.32, 51,848.32 and 21,655.68

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Solution

The fourth proportional to 37,571.32, 51,848.32 and 21,655.68 is: 29,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,571.32 : 51,848.32 = 21,655.68 : x
  2. Step 2: Convert to fraction form
    37,571.32/51,848.32 = 21,655.68/x
  3. Step 3: Cross multiply
    37,571.32x = 51,848.32 × 21,655.68
  4. Step 4: Simplify right side
    37,571.32x = 1,122,810,626.46
  5. Step 5: Solve for x
    x = 1,122,810,626.46/37,571.32
  6. Step 6: Final answer
    x = 29,884.78

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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.