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Finding the Fourth Proportional to 22,390.43, 33,586.46 and 7,397.93

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Solution

The fourth proportional to 22,390.43, 33,586.46 and 7,397.93 is: 11,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.43 : 33,586.46 = 7,397.93 : x
  2. Step 2: Convert to fraction form
    22,390.43/33,586.46 = 7,397.93/x
  3. Step 3: Cross multiply
    22,390.43x = 33,586.46 × 7,397.93
  4. Step 4: Simplify right side
    22,390.43x = 248,470,075.11
  5. Step 5: Solve for x
    x = 248,470,075.11/22,390.43
  6. Step 6: Final answer
    x = 11,097.16

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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.