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Finding the Fourth Proportional to 7,048.73, 9,725.03 and 4,064.16

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Solution

The fourth proportional to 7,048.73, 9,725.03 and 4,064.16 is: 5,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.73 : 9,725.03 = 4,064.16 : x
  2. Step 2: Convert to fraction form
    7,048.73/9,725.03 = 4,064.16/x
  3. Step 3: Cross multiply
    7,048.73x = 9,725.03 × 4,064.16
  4. Step 4: Simplify right side
    7,048.73x = 39,524,077.92
  5. Step 5: Solve for x
    x = 39,524,077.92/7,048.73
  6. Step 6: Final answer
    x = 5,607.27

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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.