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Finding the Fourth Proportional to 7,046.76, 10,570.32 and 2,663.40

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Solution

The fourth proportional to 7,046.76, 10,570.32 and 2,663.40 is: 3,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.76 : 10,570.32 = 2,663.40 : x
  2. Step 2: Convert to fraction form
    7,046.76/10,570.32 = 2,663.40/x
  3. Step 3: Cross multiply
    7,046.76x = 10,570.32 × 2,663.40
  4. Step 4: Simplify right side
    7,046.76x = 28,152,990.29
  5. Step 5: Solve for x
    x = 28,152,990.29/7,046.76
  6. Step 6: Final answer
    x = 3,995.17

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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.