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Finding the Fourth Proportional to 65,305.66, 90,122.88 and 37,010.74

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Solution

The fourth proportional to 65,305.66, 90,122.88 and 37,010.74 is: 51,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,305.66 : 90,122.88 = 37,010.74 : x
  2. Step 2: Convert to fraction form
    65,305.66/90,122.88 = 37,010.74/x
  3. Step 3: Cross multiply
    65,305.66x = 90,122.88 × 37,010.74
  4. Step 4: Simplify right side
    65,305.66x = 3,335,514,479.73
  5. Step 5: Solve for x
    x = 3,335,514,479.73/65,305.66
  6. Step 6: Final answer
    x = 51,075.43

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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.