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Finding the Fourth Proportional to 66,953.25, 92,395.49 and 37,145.25

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Solution

The fourth proportional to 66,953.25, 92,395.49 and 37,145.25 is: 51,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,953.25 : 92,395.49 = 37,145.25 : x
  2. Step 2: Convert to fraction form
    66,953.25/92,395.49 = 37,145.25/x
  3. Step 3: Cross multiply
    66,953.25x = 92,395.49 × 37,145.25
  4. Step 4: Simplify right side
    66,953.25x = 3,432,053,389.20
  5. Step 5: Solve for x
    x = 3,432,053,389.20/66,953.25
  6. Step 6: Final answer
    x = 51,260.45

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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.