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Finding the Fourth Proportional to 65,898.27, 90,946.13 and 37,608.21

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Solution

The fourth proportional to 65,898.27, 90,946.13 and 37,608.21 is: 51,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,898.27 : 90,946.13 = 37,608.21 : x
  2. Step 2: Convert to fraction form
    65,898.27/90,946.13 = 37,608.21/x
  3. Step 3: Cross multiply
    65,898.27x = 90,946.13 × 37,608.21
  4. Step 4: Simplify right side
    65,898.27x = 3,420,320,967.69
  5. Step 5: Solve for x
    x = 3,420,320,967.69/65,898.27
  6. Step 6: Final answer
    x = 51,903.05

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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.