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Finding the Fourth Proportional to 7,374.48, 11,053 and 7,292.26

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Solution

The fourth proportional to 7,374.48, 11,053 and 7,292.26 is: 10,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.48 : 11,053 = 7,292.26 : x
  2. Step 2: Convert to fraction form
    7,374.48/11,053 = 7,292.26/x
  3. Step 3: Cross multiply
    7,374.48x = 11,053 × 7,292.26
  4. Step 4: Simplify right side
    7,374.48x = 80,601,349.78
  5. Step 5: Solve for x
    x = 80,601,349.78/7,374.48
  6. Step 6: Final answer
    x = 10,929.77

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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.