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Finding the Fourth Proportional to 4,931.04, 7,392.90 and 2,330.94

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Solution

The fourth proportional to 4,931.04, 7,392.90 and 2,330.94 is: 3,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.04 : 7,392.90 = 2,330.94 : x
  2. Step 2: Convert to fraction form
    4,931.04/7,392.90 = 2,330.94/x
  3. Step 3: Cross multiply
    4,931.04x = 7,392.90 × 2,330.94
  4. Step 4: Simplify right side
    4,931.04x = 17,232,406.33
  5. Step 5: Solve for x
    x = 17,232,406.33/4,931.04
  6. Step 6: Final answer
    x = 3,494.68

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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.