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Finding the Fourth Proportional to 952.08, 1,426.74 and 561.16

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Solution

The fourth proportional to 952.08, 1,426.74 and 561.16 is: 840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.08 : 1,426.74 = 561.16 : x
  2. Step 2: Convert to fraction form
    952.08/1,426.74 = 561.16/x
  3. Step 3: Cross multiply
    952.08x = 1,426.74 × 561.16
  4. Step 4: Simplify right side
    952.08x = 800,629.42
  5. Step 5: Solve for x
    x = 800,629.42/952.08
  6. Step 6: Final answer
    x = 840.93

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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.