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Finding the Fourth Proportional to 16,999,678.25, 25,507,029.71 and 8,910,719.76

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Solution

The fourth proportional to 16,999,678.25, 25,507,029.71 and 8,910,719.76 is: 13,370,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999,678.25 : 25,507,029.71 = 8,910,719.76 : x
  2. Step 2: Convert to fraction form
    16,999,678.25/25,507,029.71 = 8,910,719.76/x
  3. Step 3: Cross multiply
    16,999,678.25x = 25,507,029.71 × 8,910,719.76
  4. Step 4: Simplify right side
    16,999,678.25x = 227,285,993,655,804.06
  5. Step 5: Solve for x
    x = 227,285,993,655,804.06/16,999,678.25
  6. Step 6: Final answer
    x = 13,370,017.38

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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.