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Finding the Fourth Proportional to 56,653.36, 84,980.04 and 26,981.23

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Solution

The fourth proportional to 56,653.36, 84,980.04 and 26,981.23 is: 40,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,653.36 : 84,980.04 = 26,981.23 : x
  2. Step 2: Convert to fraction form
    56,653.36/84,980.04 = 26,981.23/x
  3. Step 3: Cross multiply
    56,653.36x = 84,980.04 × 26,981.23
  4. Step 4: Simplify right side
    56,653.36x = 2,292,866,004.65
  5. Step 5: Solve for x
    x = 2,292,866,004.65/56,653.36
  6. Step 6: Final answer
    x = 40,471.85

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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.