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Finding the Fourth Proportional to 5,012.76, 7,518.12 and 1,725.99

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Solution

The fourth proportional to 5,012.76, 7,518.12 and 1,725.99 is: 2,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.76 : 7,518.12 = 1,725.99 : x
  2. Step 2: Convert to fraction form
    5,012.76/7,518.12 = 1,725.99/x
  3. Step 3: Cross multiply
    5,012.76x = 7,518.12 × 1,725.99
  4. Step 4: Simplify right side
    5,012.76x = 12,976,199.94
  5. Step 5: Solve for x
    x = 12,976,199.94/5,012.76
  6. Step 6: Final answer
    x = 2,588.63

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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.