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Finding the Fourth Proportional to 8,458,407.74, 11,672,573.16 and 4,590,928.70

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Solution

The fourth proportional to 8,458,407.74, 11,672,573.16 and 4,590,928.70 is: 6,335,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,407.74 : 11,672,573.16 = 4,590,928.70 : x
  2. Step 2: Convert to fraction form
    8,458,407.74/11,672,573.16 = 4,590,928.70/x
  3. Step 3: Cross multiply
    8,458,407.74x = 11,672,573.16 × 4,590,928.70
  4. Step 4: Simplify right side
    8,458,407.74x = 53,587,951,123,093.70
  5. Step 5: Solve for x
    x = 53,587,951,123,093.70/8,458,407.74
  6. Step 6: Final answer
    x = 6,335,465.58

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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.