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Finding the Fourth Proportional to 8,656.36, 13,007.98 and 4,710.53

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Solution

The fourth proportional to 8,656.36, 13,007.98 and 4,710.53 is: 7,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.36 : 13,007.98 = 4,710.53 : x
  2. Step 2: Convert to fraction form
    8,656.36/13,007.98 = 4,710.53/x
  3. Step 3: Cross multiply
    8,656.36x = 13,007.98 × 4,710.53
  4. Step 4: Simplify right side
    8,656.36x = 61,274,518.44
  5. Step 5: Solve for x
    x = 61,274,518.44/8,656.36
  6. Step 6: Final answer
    x = 7,078.56

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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.