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Finding the Fourth Proportional to 7,048.37, 9,722.48 and 4,658.37

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Solution

The fourth proportional to 7,048.37, 9,722.48 and 4,658.37 is: 6,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.37 : 9,722.48 = 4,658.37 : x
  2. Step 2: Convert to fraction form
    7,048.37/9,722.48 = 4,658.37/x
  3. Step 3: Cross multiply
    7,048.37x = 9,722.48 × 4,658.37
  4. Step 4: Simplify right side
    7,048.37x = 45,290,909.16
  5. Step 5: Solve for x
    x = 45,290,909.16/7,048.37
  6. Step 6: Final answer
    x = 6,425.73

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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.