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Finding the Fourth Proportional to 4,931.94, 7,392.24 and 2,007.06

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Solution

The fourth proportional to 4,931.94, 7,392.24 and 2,007.06 is: 3,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.94 : 7,392.24 = 2,007.06 : x
  2. Step 2: Convert to fraction form
    4,931.94/7,392.24 = 2,007.06/x
  3. Step 3: Cross multiply
    4,931.94x = 7,392.24 × 2,007.06
  4. Step 4: Simplify right side
    4,931.94x = 14,836,669.21
  5. Step 5: Solve for x
    x = 14,836,669.21/4,931.94
  6. Step 6: Final answer
    x = 3,008.28

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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.