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Finding the Fourth Proportional to 4,906.10, 7,359.15 and 4,070.90

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Solution

The fourth proportional to 4,906.10, 7,359.15 and 4,070.90 is: 6,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.10 : 7,359.15 = 4,070.90 : x
  2. Step 2: Convert to fraction form
    4,906.10/7,359.15 = 4,070.90/x
  3. Step 3: Cross multiply
    4,906.10x = 7,359.15 × 4,070.90
  4. Step 4: Simplify right side
    4,906.10x = 29,958,363.74
  5. Step 5: Solve for x
    x = 29,958,363.74/4,906.10
  6. Step 6: Final answer
    x = 6,106.35

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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.