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Finding the Fourth Proportional to 6,654,526.24, 9,983,557.76 and 2,105,655.84

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Solution

The fourth proportional to 6,654,526.24, 9,983,557.76 and 2,105,655.84 is: 3,159,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654,526.24 : 9,983,557.76 = 2,105,655.84 : x
  2. Step 2: Convert to fraction form
    6,654,526.24/9,983,557.76 = 2,105,655.84/x
  3. Step 3: Cross multiply
    6,654,526.24x = 9,983,557.76 × 2,105,655.84
  4. Step 4: Simplify right side
    6,654,526.24x = 21,021,936,701,321.32
  5. Step 5: Solve for x
    x = 21,021,936,701,321.32/6,654,526.24
  6. Step 6: Final answer
    x = 3,159,043.33

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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.