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Finding the Fourth Proportional to 8,712.54, 12,023.46 and 4,733.64

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Solution

The fourth proportional to 8,712.54, 12,023.46 and 4,733.64 is: 6,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.54 : 12,023.46 = 4,733.64 : x
  2. Step 2: Convert to fraction form
    8,712.54/12,023.46 = 4,733.64/x
  3. Step 3: Cross multiply
    8,712.54x = 12,023.46 × 4,733.64
  4. Step 4: Simplify right side
    8,712.54x = 56,914,731.19
  5. Step 5: Solve for x
    x = 56,914,731.19/8,712.54
  6. Step 6: Final answer
    x = 6,532.51

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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.