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Finding the Fourth Proportional to 3,567,347.42, 4,921,538.01 and 2,038,634.42

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Solution

The fourth proportional to 3,567,347.42, 4,921,538.01 and 2,038,634.42 is: 2,812,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567,347.42 : 4,921,538.01 = 2,038,634.42 : x
  2. Step 2: Convert to fraction form
    3,567,347.42/4,921,538.01 = 2,038,634.42/x
  3. Step 3: Cross multiply
    3,567,347.42x = 4,921,538.01 × 2,038,634.42
  4. Step 4: Simplify right side
    3,567,347.42x = 10,033,216,786,524.30
  5. Step 5: Solve for x
    x = 10,033,216,786,524.30/3,567,347.42
  6. Step 6: Final answer
    x = 2,812,514.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.