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Finding the Fourth Proportional to 8,942.18, 13,412.64 and 2,368.22

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Solution

The fourth proportional to 8,942.18, 13,412.64 and 2,368.22 is: 3,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.18 : 13,412.64 = 2,368.22 : x
  2. Step 2: Convert to fraction form
    8,942.18/13,412.64 = 2,368.22/x
  3. Step 3: Cross multiply
    8,942.18x = 13,412.64 × 2,368.22
  4. Step 4: Simplify right side
    8,942.18x = 31,764,082.30
  5. Step 5: Solve for x
    x = 31,764,082.30/8,942.18
  6. Step 6: Final answer
    x = 3,552.16

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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.