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Finding the Fourth Proportional to 37,571.12, 51,848.88 and 21,652.88

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Solution

The fourth proportional to 37,571.12, 51,848.88 and 21,652.88 is: 29,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,571.12 : 51,848.88 = 21,652.88 : x
  2. Step 2: Convert to fraction form
    37,571.12/51,848.88 = 21,652.88/x
  3. Step 3: Cross multiply
    37,571.12x = 51,848.88 × 21,652.88
  4. Step 4: Simplify right side
    37,571.12x = 1,122,677,576.77
  5. Step 5: Solve for x
    x = 1,122,677,576.77/37,571.12
  6. Step 6: Final answer
    x = 29,881.40

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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.