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Finding the Fourth Proportional to 45,908.60, 68,862.90 and 22,530.20

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Solution

The fourth proportional to 45,908.60, 68,862.90 and 22,530.20 is: 33,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,908.60 : 68,862.90 = 22,530.20 : x
  2. Step 2: Convert to fraction form
    45,908.60/68,862.90 = 22,530.20/x
  3. Step 3: Cross multiply
    45,908.60x = 68,862.90 × 22,530.20
  4. Step 4: Simplify right side
    45,908.60x = 1,551,494,909.58
  5. Step 5: Solve for x
    x = 1,551,494,909.58/45,908.60
  6. Step 6: Final answer
    x = 33,795.30

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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.