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Finding the Fourth Proportional to 5,938,781.70, 8,908,464.15 and 3,104,429.70

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Solution

The fourth proportional to 5,938,781.70, 8,908,464.15 and 3,104,429.70 is: 4,656,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938,781.70 : 8,908,464.15 = 3,104,429.70 : x
  2. Step 2: Convert to fraction form
    5,938,781.70/8,908,464.15 = 3,104,429.70/x
  3. Step 3: Cross multiply
    5,938,781.70x = 8,908,464.15 × 3,104,429.70
  4. Step 4: Simplify right side
    5,938,781.70x = 27,655,700,688,645.26
  5. Step 5: Solve for x
    x = 27,655,700,688,645.26/5,938,781.70
  6. Step 6: Final answer
    x = 4,656,796.98

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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.