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Finding the Fourth Proportional to 3,335.07, 5,002.86 and 994.89

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Solution

The fourth proportional to 3,335.07, 5,002.86 and 994.89 is: 1,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.07 : 5,002.86 = 994.89 : x
  2. Step 2: Convert to fraction form
    3,335.07/5,002.86 = 994.89/x
  3. Step 3: Cross multiply
    3,335.07x = 5,002.86 × 994.89
  4. Step 4: Simplify right side
    3,335.07x = 4,977,314.15
  5. Step 5: Solve for x
    x = 4,977,314.15/3,335.07
  6. Step 6: Final answer
    x = 1,492.42

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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.