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Finding the Fourth Proportional to 1,583.03, 2,184.58 and 884.41

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Solution

The fourth proportional to 1,583.03, 2,184.58 and 884.41 is: 1,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.03 : 2,184.58 = 884.41 : x
  2. Step 2: Convert to fraction form
    1,583.03/2,184.58 = 884.41/x
  3. Step 3: Cross multiply
    1,583.03x = 2,184.58 × 884.41
  4. Step 4: Simplify right side
    1,583.03x = 1,932,064.40
  5. Step 5: Solve for x
    x = 1,932,064.40/1,583.03
  6. Step 6: Final answer
    x = 1,220.49

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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.