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Finding the Fourth Proportional to 8,483.39, 12,708.07 and 4,323.23

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Solution

The fourth proportional to 8,483.39, 12,708.07 and 4,323.23 is: 6,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.39 : 12,708.07 = 4,323.23 : x
  2. Step 2: Convert to fraction form
    8,483.39/12,708.07 = 4,323.23/x
  3. Step 3: Cross multiply
    8,483.39x = 12,708.07 × 4,323.23
  4. Step 4: Simplify right side
    8,483.39x = 54,939,887.85
  5. Step 5: Solve for x
    x = 54,939,887.85/8,483.39
  6. Step 6: Final answer
    x = 6,476.17

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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.