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Finding the Fourth Proportional to 4,369.78, 6,030.42 and 2,506.78

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Solution

The fourth proportional to 4,369.78, 6,030.42 and 2,506.78 is: 3,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.78 : 6,030.42 = 2,506.78 : x
  2. Step 2: Convert to fraction form
    4,369.78/6,030.42 = 2,506.78/x
  3. Step 3: Cross multiply
    4,369.78x = 6,030.42 × 2,506.78
  4. Step 4: Simplify right side
    4,369.78x = 15,116,936.25
  5. Step 5: Solve for x
    x = 15,116,936.25/4,369.78
  6. Step 6: Final answer
    x = 3,459.43

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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.