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Finding the Fourth Proportional to 22,159.76, 33,240.09 and 7,368.81

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Solution

The fourth proportional to 22,159.76, 33,240.09 and 7,368.81 is: 11,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.76 : 33,240.09 = 7,368.81 : x
  2. Step 2: Convert to fraction form
    22,159.76/33,240.09 = 7,368.81/x
  3. Step 3: Cross multiply
    22,159.76x = 33,240.09 × 7,368.81
  4. Step 4: Simplify right side
    22,159.76x = 244,939,907.59
  5. Step 5: Solve for x
    x = 244,939,907.59/22,159.76
  6. Step 6: Final answer
    x = 11,053.37

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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.