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Finding the Fourth Proportional to 1,924.65, 2,884.64 and 883.21

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Solution

The fourth proportional to 1,924.65, 2,884.64 and 883.21 is: 1,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.65 : 2,884.64 = 883.21 : x
  2. Step 2: Convert to fraction form
    1,924.65/2,884.64 = 883.21/x
  3. Step 3: Cross multiply
    1,924.65x = 2,884.64 × 883.21
  4. Step 4: Simplify right side
    1,924.65x = 2,547,724.06
  5. Step 5: Solve for x
    x = 2,547,724.06/1,924.65
  6. Step 6: Final answer
    x = 1,323.73

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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.