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Finding the Fourth Proportional to 2,347.44, 3,521.40 and 808.08

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Solution

The fourth proportional to 2,347.44, 3,521.40 and 808.08 is: 1,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.44 : 3,521.40 = 808.08 : x
  2. Step 2: Convert to fraction form
    2,347.44/3,521.40 = 808.08/x
  3. Step 3: Cross multiply
    2,347.44x = 3,521.40 × 808.08
  4. Step 4: Simplify right side
    2,347.44x = 2,845,572.91
  5. Step 5: Solve for x
    x = 2,845,572.91/2,347.44
  6. Step 6: Final answer
    x = 1,212.20

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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.