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Finding the Fourth Proportional to 64,062.27, 96,113.93 and 28,992.51

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Solution

The fourth proportional to 64,062.27, 96,113.93 and 28,992.51 is: 43,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062.27 : 96,113.93 = 28,992.51 : x
  2. Step 2: Convert to fraction form
    64,062.27/96,113.93 = 28,992.51/x
  3. Step 3: Cross multiply
    64,062.27x = 96,113.93 × 28,992.51
  4. Step 4: Simplify right side
    64,062.27x = 2,786,583,931.70
  5. Step 5: Solve for x
    x = 2,786,583,931.70/64,062.27
  6. Step 6: Final answer
    x = 43,498.05

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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.