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Finding the Fourth Proportional to 45,957.69, 63,411.78 and 26,828.79

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Solution

The fourth proportional to 45,957.69, 63,411.78 and 26,828.79 is: 37,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,957.69 : 63,411.78 = 26,828.79 : x
  2. Step 2: Convert to fraction form
    45,957.69/63,411.78 = 26,828.79/x
  3. Step 3: Cross multiply
    45,957.69x = 63,411.78 × 26,828.79
  4. Step 4: Simplify right side
    45,957.69x = 1,701,261,025.92
  5. Step 5: Solve for x
    x = 1,701,261,025.92/45,957.69
  6. Step 6: Final answer
    x = 37,017.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.