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Finding the Fourth Proportional to 66,264.96, 99,394.72 and 26,822.40

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Solution

The fourth proportional to 66,264.96, 99,394.72 and 26,822.40 is: 40,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,264.96 : 99,394.72 = 26,822.40 : x
  2. Step 2: Convert to fraction form
    66,264.96/99,394.72 = 26,822.40/x
  3. Step 3: Cross multiply
    66,264.96x = 99,394.72 × 26,822.40
  4. Step 4: Simplify right side
    66,264.96x = 2,666,004,937.73
  5. Step 5: Solve for x
    x = 2,666,004,937.73/66,264.96
  6. Step 6: Final answer
    x = 40,232.50

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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.