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Finding the Fourth Proportional to 66,331.98, 99,497.75 and 26,888.99

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Solution

The fourth proportional to 66,331.98, 99,497.75 and 26,888.99 is: 40,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331.98 : 99,497.75 = 26,888.99 : x
  2. Step 2: Convert to fraction form
    66,331.98/99,497.75 = 26,888.99/x
  3. Step 3: Cross multiply
    66,331.98x = 99,497.75 × 26,888.99
  4. Step 4: Simplify right side
    66,331.98x = 2,675,393,372.84
  5. Step 5: Solve for x
    x = 2,675,393,372.84/66,331.98
  6. Step 6: Final answer
    x = 40,333.39

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1.5x scale

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.