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Finding the Fourth Proportional to 7,888.44, 11,832.51 and 2,345.53

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Solution

The fourth proportional to 7,888.44, 11,832.51 and 2,345.53 is: 3,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.44 : 11,832.51 = 2,345.53 : x
  2. Step 2: Convert to fraction form
    7,888.44/11,832.51 = 2,345.53/x
  3. Step 3: Cross multiply
    7,888.44x = 11,832.51 × 2,345.53
  4. Step 4: Simplify right side
    7,888.44x = 27,753,448.02
  5. Step 5: Solve for x
    x = 27,753,448.02/7,888.44
  6. Step 6: Final answer
    x = 3,518.24

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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.