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Finding the Fourth Proportional to 2,641.58, 3,646.19 and 1,523.26

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Solution

The fourth proportional to 2,641.58, 3,646.19 and 1,523.26 is: 2,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.58 : 3,646.19 = 1,523.26 : x
  2. Step 2: Convert to fraction form
    2,641.58/3,646.19 = 1,523.26/x
  3. Step 3: Cross multiply
    2,641.58x = 3,646.19 × 1,523.26
  4. Step 4: Simplify right side
    2,641.58x = 5,554,095.38
  5. Step 5: Solve for x
    x = 5,554,095.38/2,641.58
  6. Step 6: Final answer
    x = 2,102.57

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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.