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Finding the Fourth Proportional to 5,133.77, 7,699.54 and 2,012.77

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Solution

The fourth proportional to 5,133.77, 7,699.54 and 2,012.77 is: 3,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.77 : 7,699.54 = 2,012.77 : x
  2. Step 2: Convert to fraction form
    5,133.77/7,699.54 = 2,012.77/x
  3. Step 3: Cross multiply
    5,133.77x = 7,699.54 × 2,012.77
  4. Step 4: Simplify right side
    5,133.77x = 15,497,403.13
  5. Step 5: Solve for x
    x = 15,497,403.13/5,133.77
  6. Step 6: Final answer
    x = 3,018.72

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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.