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Finding the Fourth Proportional to 5,304.65, 7,315.38 and 4,043.48

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Solution

The fourth proportional to 5,304.65, 7,315.38 and 4,043.48 is: 5,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.65 : 7,315.38 = 4,043.48 : x
  2. Step 2: Convert to fraction form
    5,304.65/7,315.38 = 4,043.48/x
  3. Step 3: Cross multiply
    5,304.65x = 7,315.38 × 4,043.48
  4. Step 4: Simplify right side
    5,304.65x = 29,579,556.15
  5. Step 5: Solve for x
    x = 29,579,556.15/5,304.65
  6. Step 6: Final answer
    x = 5,576.16

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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.