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Finding the Fourth Proportional to 4,578.58, 6,867.06 and 1,290.93

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Solution

The fourth proportional to 4,578.58, 6,867.06 and 1,290.93 is: 1,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.58 : 6,867.06 = 1,290.93 : x
  2. Step 2: Convert to fraction form
    4,578.58/6,867.06 = 1,290.93/x
  3. Step 3: Cross multiply
    4,578.58x = 6,867.06 × 1,290.93
  4. Step 4: Simplify right side
    4,578.58x = 8,864,893.77
  5. Step 5: Solve for x
    x = 8,864,893.77/4,578.58
  6. Step 6: Final answer
    x = 1,936.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.