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Finding the Fourth Proportional to 6,368,633.64, 8,788,482.39 and 3,467,960.88

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Solution

The fourth proportional to 6,368,633.64, 8,788,482.39 and 3,467,960.88 is: 4,785,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368,633.64 : 8,788,482.39 = 3,467,960.88 : x
  2. Step 2: Convert to fraction form
    6,368,633.64/8,788,482.39 = 3,467,960.88/x
  3. Step 3: Cross multiply
    6,368,633.64x = 8,788,482.39 × 3,467,960.88
  4. Step 4: Simplify right side
    6,368,633.64x = 30,478,113,123,088.90
  5. Step 5: Solve for x
    x = 30,478,113,123,088.90/6,368,633.64
  6. Step 6: Final answer
    x = 4,785,659.66

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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.