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Finding the Fourth Proportional to 3,518.53, 5,276.25 and 1,052.77

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Solution

The fourth proportional to 3,518.53, 5,276.25 and 1,052.77 is: 1,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.53 : 5,276.25 = 1,052.77 : x
  2. Step 2: Convert to fraction form
    3,518.53/5,276.25 = 1,052.77/x
  3. Step 3: Cross multiply
    3,518.53x = 5,276.25 × 1,052.77
  4. Step 4: Simplify right side
    3,518.53x = 5,554,690.31
  5. Step 5: Solve for x
    x = 5,554,690.31/3,518.53
  6. Step 6: Final answer
    x = 1,578.70

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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.