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Finding the Fourth Proportional to 1,593.63, 2,199.22 and 930.47

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Solution

The fourth proportional to 1,593.63, 2,199.22 and 930.47 is: 1,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.63 : 2,199.22 = 930.47 : x
  2. Step 2: Convert to fraction form
    1,593.63/2,199.22 = 930.47/x
  3. Step 3: Cross multiply
    1,593.63x = 2,199.22 × 930.47
  4. Step 4: Simplify right side
    1,593.63x = 2,046,307.28
  5. Step 5: Solve for x
    x = 2,046,307.28/1,593.63
  6. Step 6: Final answer
    x = 1,284.05

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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.