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Finding the Fourth Proportional to 5,359.32, 7,347.68 and 5,260.68

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Solution

The fourth proportional to 5,359.32, 7,347.68 and 5,260.68 is: 7,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.32 : 7,347.68 = 5,260.68 : x
  2. Step 2: Convert to fraction form
    5,359.32/7,347.68 = 5,260.68/x
  3. Step 3: Cross multiply
    5,359.32x = 7,347.68 × 5,260.68
  4. Step 4: Simplify right side
    5,359.32x = 38,653,793.22
  5. Step 5: Solve for x
    x = 38,653,793.22/5,359.32
  6. Step 6: Final answer
    x = 7,212.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.