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Finding the Fourth Proportional to 66,026.79, 99,054.27 and 26,583.89

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Solution

The fourth proportional to 66,026.79, 99,054.27 and 26,583.89 is: 39,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026.79 : 99,054.27 = 26,583.89 : x
  2. Step 2: Convert to fraction form
    66,026.79/99,054.27 = 26,583.89/x
  3. Step 3: Cross multiply
    66,026.79x = 99,054.27 × 26,583.89
  4. Step 4: Simplify right side
    66,026.79x = 2,633,247,322.44
  5. Step 5: Solve for x
    x = 2,633,247,322.44/66,026.79
  6. Step 6: Final answer
    x = 39,881.50

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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.