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Finding the Fourth Proportional to 1,062.04, 1,593.54 and 485.08

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Solution

The fourth proportional to 1,062.04, 1,593.54 and 485.08 is: 727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.04 : 1,593.54 = 485.08 : x
  2. Step 2: Convert to fraction form
    1,062.04/1,593.54 = 485.08/x
  3. Step 3: Cross multiply
    1,062.04x = 1,593.54 × 485.08
  4. Step 4: Simplify right side
    1,062.04x = 772,994.38
  5. Step 5: Solve for x
    x = 772,994.38/1,062.04
  6. Step 6: Final answer
    x = 727.84

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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.