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Finding the Fourth Proportional to 1,184.08, 1,777.03 and 953.53

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Solution

The fourth proportional to 1,184.08, 1,777.03 and 953.53 is: 1,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.08 : 1,777.03 = 953.53 : x
  2. Step 2: Convert to fraction form
    1,184.08/1,777.03 = 953.53/x
  3. Step 3: Cross multiply
    1,184.08x = 1,777.03 × 953.53
  4. Step 4: Simplify right side
    1,184.08x = 1,694,444.59
  5. Step 5: Solve for x
    x = 1,694,444.59/1,184.08
  6. Step 6: Final answer
    x = 1,431.03

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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.