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Finding the Fourth Proportional to 4,788,763.84, 6,608,532.72 and 2,613,324.16

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Solution

The fourth proportional to 4,788,763.84, 6,608,532.72 and 2,613,324.16 is: 3,606,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,763.84 : 6,608,532.72 = 2,613,324.16 : x
  2. Step 2: Convert to fraction form
    4,788,763.84/6,608,532.72 = 2,613,324.16/x
  3. Step 3: Cross multiply
    4,788,763.84x = 6,608,532.72 × 2,613,324.16
  4. Step 4: Simplify right side
    4,788,763.84x = 17,270,238,219,326.52
  5. Step 5: Solve for x
    x = 17,270,238,219,326.52/4,788,763.84
  6. Step 6: Final answer
    x = 3,606,408.42

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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.