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Finding the Fourth Proportional to 65,634.84, 90,574.92 and 37,339.92

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Solution

The fourth proportional to 65,634.84, 90,574.92 and 37,339.92 is: 51,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,634.84 : 90,574.92 = 37,339.92 : x
  2. Step 2: Convert to fraction form
    65,634.84/90,574.92 = 37,339.92/x
  3. Step 3: Cross multiply
    65,634.84x = 90,574.92 × 37,339.92
  4. Step 4: Simplify right side
    65,634.84x = 3,382,060,266.81
  5. Step 5: Solve for x
    x = 3,382,060,266.81/65,634.84
  6. Step 6: Final answer
    x = 51,528.43

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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.