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Finding the Fourth Proportional to 1,924.73, 2,870.89 and 1,612.97

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Solution

The fourth proportional to 1,924.73, 2,870.89 and 1,612.97 is: 2,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.73 : 2,870.89 = 1,612.97 : x
  2. Step 2: Convert to fraction form
    1,924.73/2,870.89 = 1,612.97/x
  3. Step 3: Cross multiply
    1,924.73x = 2,870.89 × 1,612.97
  4. Step 4: Simplify right side
    1,924.73x = 4,630,651.38
  5. Step 5: Solve for x
    x = 4,630,651.38/1,924.73
  6. Step 6: Final answer
    x = 2,405.87

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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.