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Finding the Fourth Proportional to 7,230.48, 10,840.48 and 4,884.68

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Solution

The fourth proportional to 7,230.48, 10,840.48 and 4,884.68 is: 7,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.48 : 10,840.48 = 4,884.68 : x
  2. Step 2: Convert to fraction form
    7,230.48/10,840.48 = 4,884.68/x
  3. Step 3: Cross multiply
    7,230.48x = 10,840.48 × 4,884.68
  4. Step 4: Simplify right side
    7,230.48x = 52,952,275.85
  5. Step 5: Solve for x
    x = 52,952,275.85/7,230.48
  6. Step 6: Final answer
    x = 7,323.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.