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Finding the Fourth Proportional to 4,931.94, 7,395.12 and 2,006.81

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Solution

The fourth proportional to 4,931.94, 7,395.12 and 2,006.81 is: 3,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.94 : 7,395.12 = 2,006.81 : x
  2. Step 2: Convert to fraction form
    4,931.94/7,395.12 = 2,006.81/x
  3. Step 3: Cross multiply
    4,931.94x = 7,395.12 × 2,006.81
  4. Step 4: Simplify right side
    4,931.94x = 14,840,600.77
  5. Step 5: Solve for x
    x = 14,840,600.77/4,931.94
  6. Step 6: Final answer
    x = 3,009.08

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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.