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Finding the Fourth Proportional to 7,953.14, 10,976.34 and 4,809.32

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Solution

The fourth proportional to 7,953.14, 10,976.34 and 4,809.32 is: 6,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.14 : 10,976.34 = 4,809.32 : x
  2. Step 2: Convert to fraction form
    7,953.14/10,976.34 = 4,809.32/x
  3. Step 3: Cross multiply
    7,953.14x = 10,976.34 × 4,809.32
  4. Step 4: Simplify right side
    7,953.14x = 52,788,731.49
  5. Step 5: Solve for x
    x = 52,788,731.49/7,953.14
  6. Step 6: Final answer
    x = 6,637.47

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