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Finding the Fourth Proportional to 5,760.36, 7,938.88 and 4,334.36

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Solution

The fourth proportional to 5,760.36, 7,938.88 and 4,334.36 is: 5,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.36 : 7,938.88 = 4,334.36 : x
  2. Step 2: Convert to fraction form
    5,760.36/7,938.88 = 4,334.36/x
  3. Step 3: Cross multiply
    5,760.36x = 7,938.88 × 4,334.36
  4. Step 4: Simplify right side
    5,760.36x = 34,409,963.92
  5. Step 5: Solve for x
    x = 34,409,963.92/5,760.36
  6. Step 6: Final answer
    x = 5,973.58

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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.