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Finding the Fourth Proportional to 55,071.92, 75,992.76 and 32,405.92

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Solution

The fourth proportional to 55,071.92, 75,992.76 and 32,405.92 is: 44,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.92 : 75,992.76 = 32,405.92 : x
  2. Step 2: Convert to fraction form
    55,071.92/75,992.76 = 32,405.92/x
  3. Step 3: Cross multiply
    55,071.92x = 75,992.76 × 32,405.92
  4. Step 4: Simplify right side
    55,071.92x = 2,462,615,301.14
  5. Step 5: Solve for x
    x = 2,462,615,301.14/55,071.92
  6. Step 6: Final answer
    x = 44,716.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.