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Finding the Fourth Proportional to 17,807,876.92, 26,712,848.76 and 5,027,311.36

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Solution

The fourth proportional to 17,807,876.92, 26,712,848.76 and 5,027,311.36 is: 7,541,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807,876.92 : 26,712,848.76 = 5,027,311.36 : x
  2. Step 2: Convert to fraction form
    17,807,876.92/26,712,848.76 = 5,027,311.36/x
  3. Step 3: Cross multiply
    17,807,876.92x = 26,712,848.76 × 5,027,311.36
  4. Step 4: Simplify right side
    17,807,876.92x = 134,293,808,029,109.94
  5. Step 5: Solve for x
    x = 134,293,808,029,109.94/17,807,876.92
  6. Step 6: Final answer
    x = 7,541,258.77

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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.