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Finding the Fourth Proportional to 54,416.94, 81,643.04 and 26,695.50

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Solution

The fourth proportional to 54,416.94, 81,643.04 and 26,695.50 is: 40,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.94 : 81,643.04 = 26,695.50 : x
  2. Step 2: Convert to fraction form
    54,416.94/81,643.04 = 26,695.50/x
  3. Step 3: Cross multiply
    54,416.94x = 81,643.04 × 26,695.50
  4. Step 4: Simplify right side
    54,416.94x = 2,179,501,774.32
  5. Step 5: Solve for x
    x = 2,179,501,774.32/54,416.94
  6. Step 6: Final answer
    x = 40,051.90

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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.