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Finding the Fourth Proportional to 65,227.65, 90,013.00 and 36,547.20

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Solution

The fourth proportional to 65,227.65, 90,013.00 and 36,547.20 is: 50,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227.65 : 90,013.00 = 36,547.20 : x
  2. Step 2: Convert to fraction form
    65,227.65/90,013.00 = 36,547.20/x
  3. Step 3: Cross multiply
    65,227.65x = 90,013.00 × 36,547.20
  4. Step 4: Simplify right side
    65,227.65x = 3,289,722,987.97
  5. Step 5: Solve for x
    x = 3,289,722,987.97/65,227.65
  6. Step 6: Final answer
    x = 50,434.48

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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.