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Finding the Fourth Proportional to 4,932.51, 7,398.09 and 1,645.53

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Solution

The fourth proportional to 4,932.51, 7,398.09 and 1,645.53 is: 2,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.51 : 7,398.09 = 1,645.53 : x
  2. Step 2: Convert to fraction form
    4,932.51/7,398.09 = 1,645.53/x
  3. Step 3: Cross multiply
    4,932.51x = 7,398.09 × 1,645.53
  4. Step 4: Simplify right side
    4,932.51x = 12,173,779.04
  5. Step 5: Solve for x
    x = 12,173,779.04/4,932.51
  6. Step 6: Final answer
    x = 2,468.07

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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.