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Finding the Fourth Proportional to 45,452.80, 68,230.40 and 35,110.40

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Solution

The fourth proportional to 45,452.80, 68,230.40 and 35,110.40 is: 52,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.80 : 68,230.40 = 35,110.40 : x
  2. Step 2: Convert to fraction form
    45,452.80/68,230.40 = 35,110.40/x
  3. Step 3: Cross multiply
    45,452.80x = 68,230.40 × 35,110.40
  4. Step 4: Simplify right side
    45,452.80x = 2,395,596,636.16
  5. Step 5: Solve for x
    x = 2,395,596,636.16/45,452.80
  6. Step 6: Final answer
    x = 52,705.15

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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.