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Finding the Fourth Proportional to 4,612.55, 6,916.64 and 2,740.37

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Solution

The fourth proportional to 4,612.55, 6,916.64 and 2,740.37 is: 4,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.55 : 6,916.64 = 2,740.37 : x
  2. Step 2: Convert to fraction form
    4,612.55/6,916.64 = 2,740.37/x
  3. Step 3: Cross multiply
    4,612.55x = 6,916.64 × 2,740.37
  4. Step 4: Simplify right side
    4,612.55x = 18,954,156.35
  5. Step 5: Solve for x
    x = 18,954,156.35/4,612.55
  6. Step 6: Final answer
    x = 4,109.26

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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.