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Finding the Fourth Proportional to 1,815.54, 2,502.54 and 1,483.38

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Solution

The fourth proportional to 1,815.54, 2,502.54 and 1,483.38 is: 2,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.54 : 2,502.54 = 1,483.38 : x
  2. Step 2: Convert to fraction form
    1,815.54/2,502.54 = 1,483.38/x
  3. Step 3: Cross multiply
    1,815.54x = 2,502.54 × 1,483.38
  4. Step 4: Simplify right side
    1,815.54x = 3,712,217.79
  5. Step 5: Solve for x
    x = 3,712,217.79/1,815.54
  6. Step 6: Final answer
    x = 2,044.69

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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.