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Finding the Fourth Proportional to 8,944.64, 12,339.32 and 6,293.51

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Solution

The fourth proportional to 8,944.64, 12,339.32 and 6,293.51 is: 8,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.64 : 12,339.32 = 6,293.51 : x
  2. Step 2: Convert to fraction form
    8,944.64/12,339.32 = 6,293.51/x
  3. Step 3: Cross multiply
    8,944.64x = 12,339.32 × 6,293.51
  4. Step 4: Simplify right side
    8,944.64x = 77,657,602.35
  5. Step 5: Solve for x
    x = 77,657,602.35/8,944.64
  6. Step 6: Final answer
    x = 8,682.03

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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.