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Finding the Fourth Proportional to 65,423.70, 90,293.13 and 44,201.70

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Solution

The fourth proportional to 65,423.70, 90,293.13 and 44,201.70 is: 61,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,423.70 : 90,293.13 = 44,201.70 : x
  2. Step 2: Convert to fraction form
    65,423.70/90,293.13 = 44,201.70/x
  3. Step 3: Cross multiply
    65,423.70x = 90,293.13 × 44,201.70
  4. Step 4: Simplify right side
    65,423.70x = 3,991,109,844.32
  5. Step 5: Solve for x
    x = 3,991,109,844.32/65,423.70
  6. Step 6: Final answer
    x = 61,004.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.