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Finding the Fourth Proportional to 7,195.48, 9,929.05 and 5,308.08

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Solution

The fourth proportional to 7,195.48, 9,929.05 and 5,308.08 is: 7,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.48 : 9,929.05 = 5,308.08 : x
  2. Step 2: Convert to fraction form
    7,195.48/9,929.05 = 5,308.08/x
  3. Step 3: Cross multiply
    7,195.48x = 9,929.05 × 5,308.08
  4. Step 4: Simplify right side
    7,195.48x = 52,704,141.22
  5. Step 5: Solve for x
    x = 52,704,141.22/7,195.48
  6. Step 6: Final answer
    x = 7,324.62

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1.5x scale

Why These Related Problems?

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