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Finding the Fourth Proportional to 22,152.29, 33,225.93 and 7,917.68

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Solution

The fourth proportional to 22,152.29, 33,225.93 and 7,917.68 is: 11,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.29 : 33,225.93 = 7,917.68 : x
  2. Step 2: Convert to fraction form
    22,152.29/33,225.93 = 7,917.68/x
  3. Step 3: Cross multiply
    22,152.29x = 33,225.93 × 7,917.68
  4. Step 4: Simplify right side
    22,152.29x = 263,072,364.51
  5. Step 5: Solve for x
    x = 263,072,364.51/22,152.29
  6. Step 6: Final answer
    x = 11,875.63

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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.