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Finding the Fourth Proportional to 1,542.69, 2,314.04 and 893.07

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Solution

The fourth proportional to 1,542.69, 2,314.04 and 893.07 is: 1,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.69 : 2,314.04 = 893.07 : x
  2. Step 2: Convert to fraction form
    1,542.69/2,314.04 = 893.07/x
  3. Step 3: Cross multiply
    1,542.69x = 2,314.04 × 893.07
  4. Step 4: Simplify right side
    1,542.69x = 2,066,595.24
  5. Step 5: Solve for x
    x = 2,066,595.24/1,542.69
  6. Step 6: Final answer
    x = 1,339.61

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Similar ratio
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1.5x scale

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.