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Finding the Fourth Proportional to 45,950.88, 68,930.10 and 19,655.88

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Solution

The fourth proportional to 45,950.88, 68,930.10 and 19,655.88 is: 29,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,950.88 : 68,930.10 = 19,655.88 : x
  2. Step 2: Convert to fraction form
    45,950.88/68,930.10 = 19,655.88/x
  3. Step 3: Cross multiply
    45,950.88x = 68,930.10 × 19,655.88
  4. Step 4: Simplify right side
    45,950.88x = 1,354,881,773.99
  5. Step 5: Solve for x
    x = 1,354,881,773.99/45,950.88
  6. Step 6: Final answer
    x = 29,485.44

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1.5x scale

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.