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Finding the Fourth Proportional to 53,955.79, 80,957.01 and 28,966.66

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Solution

The fourth proportional to 53,955.79, 80,957.01 and 28,966.66 is: 43,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.79 : 80,957.01 = 28,966.66 : x
  2. Step 2: Convert to fraction form
    53,955.79/80,957.01 = 28,966.66/x
  3. Step 3: Cross multiply
    53,955.79x = 80,957.01 × 28,966.66
  4. Step 4: Simplify right side
    53,955.79x = 2,345,054,183.29
  5. Step 5: Solve for x
    x = 2,345,054,183.29/53,955.79
  6. Step 6: Final answer
    x = 43,462.51

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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.