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Finding the Fourth Proportional to 27,320.77, 40,981.13 and 9,802.90

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Solution

The fourth proportional to 27,320.77, 40,981.13 and 9,802.90 is: 14,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.77 : 40,981.13 = 9,802.90 : x
  2. Step 2: Convert to fraction form
    27,320.77/40,981.13 = 9,802.90/x
  3. Step 3: Cross multiply
    27,320.77x = 40,981.13 × 9,802.90
  4. Step 4: Simplify right side
    27,320.77x = 401,733,919.28
  5. Step 5: Solve for x
    x = 401,733,919.28/27,320.77
  6. Step 6: Final answer
    x = 14,704.34

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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.