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Finding the Fourth Proportional to 5,788,854.96, 7,988,886.52 and 3,210,382.08

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Solution

The fourth proportional to 5,788,854.96, 7,988,886.52 and 3,210,382.08 is: 4,430,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788,854.96 : 7,988,886.52 = 3,210,382.08 : x
  2. Step 2: Convert to fraction form
    5,788,854.96/7,988,886.52 = 3,210,382.08/x
  3. Step 3: Cross multiply
    5,788,854.96x = 7,988,886.52 × 3,210,382.08
  4. Step 4: Simplify right side
    5,788,854.96x = 25,647,378,122,961.56
  5. Step 5: Solve for x
    x = 25,647,378,122,961.56/5,788,854.96
  6. Step 6: Final answer
    x = 4,430,475.16

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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.