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Finding the Fourth Proportional to 5,705.39, 8,520.55 and 4,926.98

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Solution

The fourth proportional to 5,705.39, 8,520.55 and 4,926.98 is: 7,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.39 : 8,520.55 = 4,926.98 : x
  2. Step 2: Convert to fraction form
    5,705.39/8,520.55 = 4,926.98/x
  3. Step 3: Cross multiply
    5,705.39x = 8,520.55 × 4,926.98
  4. Step 4: Simplify right side
    5,705.39x = 41,980,579.44
  5. Step 5: Solve for x
    x = 41,980,579.44/5,705.39
  6. Step 6: Final answer
    x = 7,358.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.