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Finding the Fourth Proportional to 1,583.09, 2,184.62 and 884.46

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Solution

The fourth proportional to 1,583.09, 2,184.62 and 884.46 is: 1,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.09 : 2,184.62 = 884.46 : x
  2. Step 2: Convert to fraction form
    1,583.09/2,184.62 = 884.46/x
  3. Step 3: Cross multiply
    1,583.09x = 2,184.62 × 884.46
  4. Step 4: Simplify right side
    1,583.09x = 1,932,204.58
  5. Step 5: Solve for x
    x = 1,932,204.58/1,583.09
  6. Step 6: Final answer
    x = 1,220.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.