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Finding the Fourth Proportional to 10,335.76, 14,267.06 and 6,144

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Solution

The fourth proportional to 10,335.76, 14,267.06 and 6,144 is: 8,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.76 : 14,267.06 = 6,144 : x
  2. Step 2: Convert to fraction form
    10,335.76/14,267.06 = 6,144/x
  3. Step 3: Cross multiply
    10,335.76x = 14,267.06 × 6,144
  4. Step 4: Simplify right side
    10,335.76x = 87,656,816.64
  5. Step 5: Solve for x
    x = 87,656,816.64/10,335.76
  6. Step 6: Final answer
    x = 8,480.93

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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.