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Finding the Fourth Proportional to 19,066, 28,603.32 and 6,754

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Solution

The fourth proportional to 19,066, 28,603.32 and 6,754 is: 10,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066 : 28,603.32 = 6,754 : x
  2. Step 2: Convert to fraction form
    19,066/28,603.32 = 6,754/x
  3. Step 3: Cross multiply
    19,066x = 28,603.32 × 6,754
  4. Step 4: Simplify right side
    19,066x = 193,186,823.28
  5. Step 5: Solve for x
    x = 193,186,823.28/19,066
  6. Step 6: Final answer
    x = 10,132.53

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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.