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Finding the Fourth Proportional to 1,080.84, 1,621.50 and 593.64

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Solution

The fourth proportional to 1,080.84, 1,621.50 and 593.64 is: 890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080.84 : 1,621.50 = 593.64 : x
  2. Step 2: Convert to fraction form
    1,080.84/1,621.50 = 593.64/x
  3. Step 3: Cross multiply
    1,080.84x = 1,621.50 × 593.64
  4. Step 4: Simplify right side
    1,080.84x = 962,587.26
  5. Step 5: Solve for x
    x = 962,587.26/1,080.84
  6. Step 6: Final answer
    x = 890.59

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Double scale
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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.