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Finding the Fourth Proportional to 5,323.36, 7,347.36 and 3,557.92

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Solution

The fourth proportional to 5,323.36, 7,347.36 and 3,557.92 is: 4,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.36 : 7,347.36 = 3,557.92 : x
  2. Step 2: Convert to fraction form
    5,323.36/7,347.36 = 3,557.92/x
  3. Step 3: Cross multiply
    5,323.36x = 7,347.36 × 3,557.92
  4. Step 4: Simplify right side
    5,323.36x = 26,141,319.09
  5. Step 5: Solve for x
    x = 26,141,319.09/5,323.36
  6. Step 6: Final answer
    x = 4,910.68

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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.