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Finding the Fourth Proportional to 65,193.66, 89,959.41 and 36,514.80

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Solution

The fourth proportional to 65,193.66, 89,959.41 and 36,514.80 is: 50,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,193.66 : 89,959.41 = 36,514.80 : x
  2. Step 2: Convert to fraction form
    65,193.66/89,959.41 = 36,514.80/x
  3. Step 3: Cross multiply
    65,193.66x = 89,959.41 × 36,514.80
  4. Step 4: Simplify right side
    65,193.66x = 3,284,849,864.27
  5. Step 5: Solve for x
    x = 3,284,849,864.27/65,193.66
  6. Step 6: Final answer
    x = 50,386.03

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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.