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Finding the Fourth Proportional to 52,004.40, 77,891.40 and 45,092.40

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Solution

The fourth proportional to 52,004.40, 77,891.40 and 45,092.40 is: 67,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,004.40 : 77,891.40 = 45,092.40 : x
  2. Step 2: Convert to fraction form
    52,004.40/77,891.40 = 45,092.40/x
  3. Step 3: Cross multiply
    52,004.40x = 77,891.40 × 45,092.40
  4. Step 4: Simplify right side
    52,004.40x = 3,512,310,165.36
  5. Step 5: Solve for x
    x = 3,512,310,165.36/52,004.40
  6. Step 6: Final answer
    x = 67,538.71

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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.