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Finding the Fourth Proportional to 56,692.90, 84,966.45 and 34,482.70

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Solution

The fourth proportional to 56,692.90, 84,966.45 and 34,482.70 is: 51,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.90 : 84,966.45 = 34,482.70 : x
  2. Step 2: Convert to fraction form
    56,692.90/84,966.45 = 34,482.70/x
  3. Step 3: Cross multiply
    56,692.90x = 84,966.45 × 34,482.70
  4. Step 4: Simplify right side
    56,692.90x = 2,929,872,605.42
  5. Step 5: Solve for x
    x = 2,929,872,605.42/56,692.90
  6. Step 6: Final answer
    x = 51,679.71

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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.