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Finding the Fourth Proportional to 1,324.30, 1,827.62 and 852.48

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Solution

The fourth proportional to 1,324.30, 1,827.62 and 852.48 is: 1,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.30 : 1,827.62 = 852.48 : x
  2. Step 2: Convert to fraction form
    1,324.30/1,827.62 = 852.48/x
  3. Step 3: Cross multiply
    1,324.30x = 1,827.62 × 852.48
  4. Step 4: Simplify right side
    1,324.30x = 1,558,009.50
  5. Step 5: Solve for x
    x = 1,558,009.50/1,324.30
  6. Step 6: Final answer
    x = 1,176.48

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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.