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Finding the Fourth Proportional to 15,168.51, 22,762.49 and 7,373.07

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Solution

The fourth proportional to 15,168.51, 22,762.49 and 7,373.07 is: 11,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.51 : 22,762.49 = 7,373.07 : x
  2. Step 2: Convert to fraction form
    15,168.51/22,762.49 = 7,373.07/x
  3. Step 3: Cross multiply
    15,168.51x = 22,762.49 × 7,373.07
  4. Step 4: Simplify right side
    15,168.51x = 167,829,395.28
  5. Step 5: Solve for x
    x = 167,829,395.28/15,168.51
  6. Step 6: Final answer
    x = 11,064.33

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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.