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Finding the Fourth Proportional to 4,985.16, 7,483.38 and 2,522.76

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Solution

The fourth proportional to 4,985.16, 7,483.38 and 2,522.76 is: 3,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.16 : 7,483.38 = 2,522.76 : x
  2. Step 2: Convert to fraction form
    4,985.16/7,483.38 = 2,522.76/x
  3. Step 3: Cross multiply
    4,985.16x = 7,483.38 × 2,522.76
  4. Step 4: Simplify right side
    4,985.16x = 18,878,771.73
  5. Step 5: Solve for x
    x = 18,878,771.73/4,985.16
  6. Step 6: Final answer
    x = 3,786.99

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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.