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Finding the Fourth Proportional to 5,583,398.14, 8,371,512.75 and 2,168,045.50

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Solution

The fourth proportional to 5,583,398.14, 8,371,512.75 and 2,168,045.50 is: 3,250,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583,398.14 : 8,371,512.75 = 2,168,045.50 : x
  2. Step 2: Convert to fraction form
    5,583,398.14/8,371,512.75 = 2,168,045.50/x
  3. Step 3: Cross multiply
    5,583,398.14x = 8,371,512.75 × 2,168,045.50
  4. Step 4: Simplify right side
    5,583,398.14x = 18,149,820,545,830.12
  5. Step 5: Solve for x
    x = 18,149,820,545,830.12/5,583,398.14
  6. Step 6: Final answer
    x = 3,250,676.40

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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.