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Finding the Fourth Proportional to 2,070.85, 3,106.28 and 610.02

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Solution

The fourth proportional to 2,070.85, 3,106.28 and 610.02 is: 915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.85 : 3,106.28 = 610.02 : x
  2. Step 2: Convert to fraction form
    2,070.85/3,106.28 = 610.02/x
  3. Step 3: Cross multiply
    2,070.85x = 3,106.28 × 610.02
  4. Step 4: Simplify right side
    2,070.85x = 1,894,892.93
  5. Step 5: Solve for x
    x = 1,894,892.93/2,070.85
  6. Step 6: Final answer
    x = 915.03

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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.