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Finding the Fourth Proportional to 4,803.92, 6,628.39 and 2,916.49

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Solution

The fourth proportional to 4,803.92, 6,628.39 and 2,916.49 is: 4,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.92 : 6,628.39 = 2,916.49 : x
  2. Step 2: Convert to fraction form
    4,803.92/6,628.39 = 2,916.49/x
  3. Step 3: Cross multiply
    4,803.92x = 6,628.39 × 2,916.49
  4. Step 4: Simplify right side
    4,803.92x = 19,331,633.15
  5. Step 5: Solve for x
    x = 19,331,633.15/4,803.92
  6. Step 6: Final answer
    x = 4,024.14

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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.