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Finding the Fourth Proportional to 65,963.68, 91,007.76 and 37,649.44

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Solution

The fourth proportional to 65,963.68, 91,007.76 and 37,649.44 is: 51,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,963.68 : 91,007.76 = 37,649.44 : x
  2. Step 2: Convert to fraction form
    65,963.68/91,007.76 = 37,649.44/x
  3. Step 3: Cross multiply
    65,963.68x = 91,007.76 × 37,649.44
  4. Step 4: Simplify right side
    65,963.68x = 3,426,391,199.65
  5. Step 5: Solve for x
    x = 3,426,391,199.65/65,963.68
  6. Step 6: Final answer
    x = 51,943.60

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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.