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Finding the Fourth Proportional to 14,393.92, 21,593.04 and 6,603.52

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Solution

The fourth proportional to 14,393.92, 21,593.04 and 6,603.52 is: 9,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.92 : 21,593.04 = 6,603.52 : x
  2. Step 2: Convert to fraction form
    14,393.92/21,593.04 = 6,603.52/x
  3. Step 3: Cross multiply
    14,393.92x = 21,593.04 × 6,603.52
  4. Step 4: Simplify right side
    14,393.92x = 142,590,071.50
  5. Step 5: Solve for x
    x = 142,590,071.50/14,393.92
  6. Step 6: Final answer
    x = 9,906.27

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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.