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Finding the Fourth Proportional to 19,476, 29,199.42 and 6,320.52

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Solution

The fourth proportional to 19,476, 29,199.42 and 6,320.52 is: 9,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476 : 29,199.42 = 6,320.52 : x
  2. Step 2: Convert to fraction form
    19,476/29,199.42 = 6,320.52/x
  3. Step 3: Cross multiply
    19,476x = 29,199.42 × 6,320.52
  4. Step 4: Simplify right side
    19,476x = 184,555,518.10
  5. Step 5: Solve for x
    x = 184,555,518.10/19,476
  6. Step 6: Final answer
    x = 9,476.05

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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.