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Finding the Fourth Proportional to 7,322.58, 10,980.72 and 2,323.80

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Solution

The fourth proportional to 7,322.58, 10,980.72 and 2,323.80 is: 3,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.58 : 10,980.72 = 2,323.80 : x
  2. Step 2: Convert to fraction form
    7,322.58/10,980.72 = 2,323.80/x
  3. Step 3: Cross multiply
    7,322.58x = 10,980.72 × 2,323.80
  4. Step 4: Simplify right side
    7,322.58x = 25,516,997.14
  5. Step 5: Solve for x
    x = 25,516,997.14/7,322.58
  6. Step 6: Final answer
    x = 3,484.70

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1.5x scale

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.