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Finding the Fourth Proportional to 27,632.40, 41,360.40 and 21,800.40

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Solution

The fourth proportional to 27,632.40, 41,360.40 and 21,800.40 is: 32,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.40 : 41,360.40 = 21,800.40 : x
  2. Step 2: Convert to fraction form
    27,632.40/41,360.40 = 21,800.40/x
  3. Step 3: Cross multiply
    27,632.40x = 41,360.40 × 21,800.40
  4. Step 4: Simplify right side
    27,632.40x = 901,673,264.16
  5. Step 5: Solve for x
    x = 901,673,264.16/27,632.40
  6. Step 6: Final answer
    x = 32,631.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.