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Finding the Fourth Proportional to 64,433.54, 96,611.48 and 28,888.43

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Solution

The fourth proportional to 64,433.54, 96,611.48 and 28,888.43 is: 43,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,433.54 : 96,611.48 = 28,888.43 : x
  2. Step 2: Convert to fraction form
    64,433.54/96,611.48 = 28,888.43/x
  3. Step 3: Cross multiply
    64,433.54x = 96,611.48 × 28,888.43
  4. Step 4: Simplify right side
    64,433.54x = 2,790,953,349.68
  5. Step 5: Solve for x
    x = 2,790,953,349.68/64,433.54
  6. Step 6: Final answer
    x = 43,315.23

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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.