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Finding the Fourth Proportional to 6,963.86, 9,603.60 and 5,552.24

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Solution

The fourth proportional to 6,963.86, 9,603.60 and 5,552.24 is: 7,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.86 : 9,603.60 = 5,552.24 : x
  2. Step 2: Convert to fraction form
    6,963.86/9,603.60 = 5,552.24/x
  3. Step 3: Cross multiply
    6,963.86x = 9,603.60 × 5,552.24
  4. Step 4: Simplify right side
    6,963.86x = 53,321,492.06
  5. Step 5: Solve for x
    x = 53,321,492.06/6,963.86
  6. Step 6: Final answer
    x = 7,656.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.