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Finding the Fourth Proportional to 10,867,429.80, 16,301,144.70 and 3,293,411.40

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Solution

The fourth proportional to 10,867,429.80, 16,301,144.70 and 3,293,411.40 is: 4,940,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,429.80 : 16,301,144.70 = 3,293,411.40 : x
  2. Step 2: Convert to fraction form
    10,867,429.80/16,301,144.70 = 3,293,411.40/x
  3. Step 3: Cross multiply
    10,867,429.80x = 16,301,144.70 × 3,293,411.40
  4. Step 4: Simplify right side
    10,867,429.80x = 53,686,375,788,029.58
  5. Step 5: Solve for x
    x = 53,686,375,788,029.58/10,867,429.80
  6. Step 6: Final answer
    x = 4,940,117.10

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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.