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Finding the Fourth Proportional to 7,347.24, 10,954.98 and 7,216.02

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Solution

The fourth proportional to 7,347.24, 10,954.98 and 7,216.02 is: 10,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.24 : 10,954.98 = 7,216.02 : x
  2. Step 2: Convert to fraction form
    7,347.24/10,954.98 = 7,216.02/x
  3. Step 3: Cross multiply
    7,347.24x = 10,954.98 × 7,216.02
  4. Step 4: Simplify right side
    7,347.24x = 79,051,354.78
  5. Step 5: Solve for x
    x = 79,051,354.78/7,347.24
  6. Step 6: Final answer
    x = 10,759.33

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Find fourth proportional to 3,673.62, 5,477.49 and 3,608.01
Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.