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Finding the Fourth Proportional to 19,494.84, 29,239.50 and 6,347.40

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Solution

The fourth proportional to 19,494.84, 29,239.50 and 6,347.40 is: 9,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.84 : 29,239.50 = 6,347.40 : x
  2. Step 2: Convert to fraction form
    19,494.84/29,239.50 = 6,347.40/x
  3. Step 3: Cross multiply
    19,494.84x = 29,239.50 × 6,347.40
  4. Step 4: Simplify right side
    19,494.84x = 185,594,802.30
  5. Step 5: Solve for x
    x = 185,594,802.30/19,494.84
  6. Step 6: Final answer
    x = 9,520.20

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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.