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Finding the Fourth Proportional to 1,623.42, 2,433.08 and 883.02

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Solution

The fourth proportional to 1,623.42, 2,433.08 and 883.02 is: 1,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.42 : 2,433.08 = 883.02 : x
  2. Step 2: Convert to fraction form
    1,623.42/2,433.08 = 883.02/x
  3. Step 3: Cross multiply
    1,623.42x = 2,433.08 × 883.02
  4. Step 4: Simplify right side
    1,623.42x = 2,148,458.30
  5. Step 5: Solve for x
    x = 2,148,458.30/1,623.42
  6. Step 6: Final answer
    x = 1,323.41

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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.