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Finding the Fourth Proportional to 33,770.40, 47,395.20 and 33,770.40

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Solution

The fourth proportional to 33,770.40, 47,395.20 and 33,770.40 is: 47,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,770.40 : 47,395.20 = 33,770.40 : x
  2. Step 2: Convert to fraction form
    33,770.40/47,395.20 = 33,770.40/x
  3. Step 3: Cross multiply
    33,770.40x = 47,395.20 × 33,770.40
  4. Step 4: Simplify right side
    33,770.40x = 1,600,554,862.08
  5. Step 5: Solve for x
    x = 1,600,554,862.08/33,770.40
  6. Step 6: Final answer
    x = 47,395.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.