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Finding the Fourth Proportional to 5,018.76, 6,926.31 and 2,894.67

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Solution

The fourth proportional to 5,018.76, 6,926.31 and 2,894.67 is: 3,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.76 : 6,926.31 = 2,894.67 : x
  2. Step 2: Convert to fraction form
    5,018.76/6,926.31 = 2,894.67/x
  3. Step 3: Cross multiply
    5,018.76x = 6,926.31 × 2,894.67
  4. Step 4: Simplify right side
    5,018.76x = 20,049,381.77
  5. Step 5: Solve for x
    x = 20,049,381.77/5,018.76
  6. Step 6: Final answer
    x = 3,994.89

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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.