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Finding the Fourth Proportional to 19,369.91, 29,030.49 and 10,484.88

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Solution

The fourth proportional to 19,369.91, 29,030.49 and 10,484.88 is: 15,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.91 : 29,030.49 = 10,484.88 : x
  2. Step 2: Convert to fraction form
    19,369.91/29,030.49 = 10,484.88/x
  3. Step 3: Cross multiply
    19,369.91x = 29,030.49 × 10,484.88
  4. Step 4: Simplify right side
    19,369.91x = 304,381,203.99
  5. Step 5: Solve for x
    x = 304,381,203.99/19,369.91
  6. Step 6: Final answer
    x = 15,714.13

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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.