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Finding the Fourth Proportional to 5,018.88, 6,929.44 and 3,133.34

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Solution

The fourth proportional to 5,018.88, 6,929.44 and 3,133.34 is: 4,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.88 : 6,929.44 = 3,133.34 : x
  2. Step 2: Convert to fraction form
    5,018.88/6,929.44 = 3,133.34/x
  3. Step 3: Cross multiply
    5,018.88x = 6,929.44 × 3,133.34
  4. Step 4: Simplify right side
    5,018.88x = 21,712,249.05
  5. Step 5: Solve for x
    x = 21,712,249.05/5,018.88
  6. Step 6: Final answer
    x = 4,326.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.