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Finding the Fourth Proportional to 37,611.06, 56,415.78 and 9,909.06

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Solution

The fourth proportional to 37,611.06, 56,415.78 and 9,909.06 is: 14,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,611.06 : 56,415.78 = 9,909.06 : x
  2. Step 2: Convert to fraction form
    37,611.06/56,415.78 = 9,909.06/x
  3. Step 3: Cross multiply
    37,611.06x = 56,415.78 × 9,909.06
  4. Step 4: Simplify right side
    37,611.06x = 559,027,348.97
  5. Step 5: Solve for x
    x = 559,027,348.97/37,611.06
  6. Step 6: Final answer
    x = 14,863.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.