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Finding the Fourth Proportional to 29,375.21, 44,062.61 and 7,188.91

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Solution

The fourth proportional to 29,375.21, 44,062.61 and 7,188.91 is: 10,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.21 : 44,062.61 = 7,188.91 : x
  2. Step 2: Convert to fraction form
    29,375.21/44,062.61 = 7,188.91/x
  3. Step 3: Cross multiply
    29,375.21x = 44,062.61 × 7,188.91
  4. Step 4: Simplify right side
    29,375.21x = 316,761,881.40
  5. Step 5: Solve for x
    x = 316,761,881.40/29,375.21
  6. Step 6: Final answer
    x = 10,783.31

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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.