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Finding the Fourth Proportional to 4,941.05, 7,347.99 and 4,785.31

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Solution

The fourth proportional to 4,941.05, 7,347.99 and 4,785.31 is: 7,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.05 : 7,347.99 = 4,785.31 : x
  2. Step 2: Convert to fraction form
    4,941.05/7,347.99 = 4,785.31/x
  3. Step 3: Cross multiply
    4,941.05x = 7,347.99 × 4,785.31
  4. Step 4: Simplify right side
    4,941.05x = 35,162,349.36
  5. Step 5: Solve for x
    x = 35,162,349.36/4,941.05
  6. Step 6: Final answer
    x = 7,116.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.