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Finding the Fourth Proportional to 19,397.88, 29,096.80 and 6,250.50

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Solution

The fourth proportional to 19,397.88, 29,096.80 and 6,250.50 is: 9,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.88 : 29,096.80 = 6,250.50 : x
  2. Step 2: Convert to fraction form
    19,397.88/29,096.80 = 6,250.50/x
  3. Step 3: Cross multiply
    19,397.88x = 29,096.80 × 6,250.50
  4. Step 4: Simplify right side
    19,397.88x = 181,869,548.40
  5. Step 5: Solve for x
    x = 181,869,548.40/19,397.88
  6. Step 6: Final answer
    x = 9,375.74

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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.