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Finding the Fourth Proportional to 19,375.94, 29,066.65 and 6,223.91

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Solution

The fourth proportional to 19,375.94, 29,066.65 and 6,223.91 is: 9,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.94 : 29,066.65 = 6,223.91 : x
  2. Step 2: Convert to fraction form
    19,375.94/29,066.65 = 6,223.91/x
  3. Step 3: Cross multiply
    19,375.94x = 29,066.65 × 6,223.91
  4. Step 4: Simplify right side
    19,375.94x = 180,908,052.71
  5. Step 5: Solve for x
    x = 180,908,052.71/19,375.94
  6. Step 6: Final answer
    x = 9,336.74

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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.