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Finding the Fourth Proportional to 7,048.52, 10,570.06 and 2,117

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Solution

The fourth proportional to 7,048.52, 10,570.06 and 2,117 is: 3,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.52 : 10,570.06 = 2,117 : x
  2. Step 2: Convert to fraction form
    7,048.52/10,570.06 = 2,117/x
  3. Step 3: Cross multiply
    7,048.52x = 10,570.06 × 2,117
  4. Step 4: Simplify right side
    7,048.52x = 22,376,817.02
  5. Step 5: Solve for x
    x = 22,376,817.02/7,048.52
  6. Step 6: Final answer
    x = 3,174.68

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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.