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Finding the Fourth Proportional to 22,917.03, 31,632.22 and 14,960.45

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Solution

The fourth proportional to 22,917.03, 31,632.22 and 14,960.45 is: 20,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.03 : 31,632.22 = 14,960.45 : x
  2. Step 2: Convert to fraction form
    22,917.03/31,632.22 = 14,960.45/x
  3. Step 3: Cross multiply
    22,917.03x = 31,632.22 × 14,960.45
  4. Step 4: Simplify right side
    22,917.03x = 473,232,165.55
  5. Step 5: Solve for x
    x = 473,232,165.55/22,917.03
  6. Step 6: Final answer
    x = 20,649.81

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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.