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Finding the Fourth Proportional to 2,393.01, 3,590.23 and 854.13

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Solution

The fourth proportional to 2,393.01, 3,590.23 and 854.13 is: 1,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.01 : 3,590.23 = 854.13 : x
  2. Step 2: Convert to fraction form
    2,393.01/3,590.23 = 854.13/x
  3. Step 3: Cross multiply
    2,393.01x = 3,590.23 × 854.13
  4. Step 4: Simplify right side
    2,393.01x = 3,066,523.15
  5. Step 5: Solve for x
    x = 3,066,523.15/2,393.01
  6. Step 6: Final answer
    x = 1,281.45

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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.