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Finding the Fourth Proportional to 19,799.83, 29,700.12 and 6,472.83

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Solution

The fourth proportional to 19,799.83, 29,700.12 and 6,472.83 is: 9,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.83 : 29,700.12 = 6,472.83 : x
  2. Step 2: Convert to fraction form
    19,799.83/29,700.12 = 6,472.83/x
  3. Step 3: Cross multiply
    19,799.83x = 29,700.12 × 6,472.83
  4. Step 4: Simplify right side
    19,799.83x = 192,243,827.74
  5. Step 5: Solve for x
    x = 192,243,827.74/19,799.83
  6. Step 6: Final answer
    x = 9,709.37

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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.