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Finding the Fourth Proportional to 5,503.51, 8,255.28 and 1,343.53

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Solution

The fourth proportional to 5,503.51, 8,255.28 and 1,343.53 is: 2,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.51 : 8,255.28 = 1,343.53 : x
  2. Step 2: Convert to fraction form
    5,503.51/8,255.28 = 1,343.53/x
  3. Step 3: Cross multiply
    5,503.51x = 8,255.28 × 1,343.53
  4. Step 4: Simplify right side
    5,503.51x = 11,091,216.34
  5. Step 5: Solve for x
    x = 11,091,216.34/5,503.51
  6. Step 6: Final answer
    x = 2,015.30

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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.