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Finding the Fourth Proportional to 64,032.93, 96,049.40 and 21,913.54

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Solution

The fourth proportional to 64,032.93, 96,049.40 and 21,913.54 is: 32,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,032.93 : 96,049.40 = 21,913.54 : x
  2. Step 2: Convert to fraction form
    64,032.93/96,049.40 = 21,913.54/x
  3. Step 3: Cross multiply
    64,032.93x = 96,049.40 × 21,913.54
  4. Step 4: Simplify right side
    64,032.93x = 2,104,782,019.18
  5. Step 5: Solve for x
    x = 2,104,782,019.18/64,032.93
  6. Step 6: Final answer
    x = 32,870.31

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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.