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Finding the Fourth Proportional to 54,957.83, 82,444.95 and 19,889.29

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Solution

The fourth proportional to 54,957.83, 82,444.95 and 19,889.29 is: 29,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957.83 : 82,444.95 = 19,889.29 : x
  2. Step 2: Convert to fraction form
    54,957.83/82,444.95 = 19,889.29/x
  3. Step 3: Cross multiply
    54,957.83x = 82,444.95 × 19,889.29
  4. Step 4: Simplify right side
    54,957.83x = 1,639,771,007.91
  5. Step 5: Solve for x
    x = 1,639,771,007.91/54,957.83
  6. Step 6: Final answer
    x = 29,836.90

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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.