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Finding the Fourth Proportional to 6,556.79, 9,048.13 and 3,572.56

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Solution

The fourth proportional to 6,556.79, 9,048.13 and 3,572.56 is: 4,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.79 : 9,048.13 = 3,572.56 : x
  2. Step 2: Convert to fraction form
    6,556.79/9,048.13 = 3,572.56/x
  3. Step 3: Cross multiply
    6,556.79x = 9,048.13 × 3,572.56
  4. Step 4: Simplify right side
    6,556.79x = 32,324,987.31
  5. Step 5: Solve for x
    x = 32,324,987.31/6,556.79
  6. Step 6: Final answer
    x = 4,930.00

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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.