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Finding the Fourth Proportional to 5,578,734.70, 8,364,165.45 and 2,547,552.70

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Solution

The fourth proportional to 5,578,734.70, 8,364,165.45 and 2,547,552.70 is: 3,819,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578,734.70 : 8,364,165.45 = 2,547,552.70 : x
  2. Step 2: Convert to fraction form
    5,578,734.70/8,364,165.45 = 2,547,552.70/x
  3. Step 3: Cross multiply
    5,578,734.70x = 8,364,165.45 × 2,547,552.70
  4. Step 4: Simplify right side
    5,578,734.70x = 21,308,152,275,394.22
  5. Step 5: Solve for x
    x = 21,308,152,275,394.22/5,578,734.70
  6. Step 6: Final answer
    x = 3,819,531.39

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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.