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Finding the Fourth Proportional to 2,615,930.20, 3,653,904.20 and 2,615,930.20

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Solution

The fourth proportional to 2,615,930.20, 3,653,904.20 and 2,615,930.20 is: 3,653,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,930.20 : 3,653,904.20 = 2,615,930.20 : x
  2. Step 2: Convert to fraction form
    2,615,930.20/3,653,904.20 = 2,615,930.20/x
  3. Step 3: Cross multiply
    2,615,930.20x = 3,653,904.20 × 2,615,930.20
  4. Step 4: Simplify right side
    2,615,930.20x = 9,558,358,344,686.84
  5. Step 5: Solve for x
    x = 9,558,358,344,686.84/2,615,930.20
  6. Step 6: Final answer
    x = 3,653,904.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.