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Finding the Fourth Proportional to 8,712.01, 12,022.32 and 4,733.02

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Solution

The fourth proportional to 8,712.01, 12,022.32 and 4,733.02 is: 6,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.01 : 12,022.32 = 4,733.02 : x
  2. Step 2: Convert to fraction form
    8,712.01/12,022.32 = 4,733.02/x
  3. Step 3: Cross multiply
    8,712.01x = 12,022.32 × 4,733.02
  4. Step 4: Simplify right side
    8,712.01x = 56,901,881.01
  5. Step 5: Solve for x
    x = 56,901,881.01/8,712.01
  6. Step 6: Final answer
    x = 6,531.43

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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.