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Finding the Fourth Proportional to 7,048.66, 10,573.11 and 1,854.34

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Solution

The fourth proportional to 7,048.66, 10,573.11 and 1,854.34 is: 2,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.66 : 10,573.11 = 1,854.34 : x
  2. Step 2: Convert to fraction form
    7,048.66/10,573.11 = 1,854.34/x
  3. Step 3: Cross multiply
    7,048.66x = 10,573.11 × 1,854.34
  4. Step 4: Simplify right side
    7,048.66x = 19,606,140.80
  5. Step 5: Solve for x
    x = 19,606,140.80/7,048.66
  6. Step 6: Final answer
    x = 2,781.54

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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.