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Finding the Fourth Proportional to 3,610.67, 4,985.02 and 2,949.10

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Solution

The fourth proportional to 3,610.67, 4,985.02 and 2,949.10 is: 4,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.67 : 4,985.02 = 2,949.10 : x
  2. Step 2: Convert to fraction form
    3,610.67/4,985.02 = 2,949.10/x
  3. Step 3: Cross multiply
    3,610.67x = 4,985.02 × 2,949.10
  4. Step 4: Simplify right side
    3,610.67x = 14,701,322.48
  5. Step 5: Solve for x
    x = 14,701,322.48/3,610.67
  6. Step 6: Final answer
    x = 4,071.63

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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.