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Finding the Fourth Proportional to 8,710.56, 13,066.08 and 2,554.56

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Solution

The fourth proportional to 8,710.56, 13,066.08 and 2,554.56 is: 3,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.56 : 13,066.08 = 2,554.56 : x
  2. Step 2: Convert to fraction form
    8,710.56/13,066.08 = 2,554.56/x
  3. Step 3: Cross multiply
    8,710.56x = 13,066.08 × 2,554.56
  4. Step 4: Simplify right side
    8,710.56x = 33,378,085.32
  5. Step 5: Solve for x
    x = 33,378,085.32/8,710.56
  6. Step 6: Final answer
    x = 3,831.91

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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.