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Finding the Fourth Proportional to 66,482.98, 99,765.98 and 27,040.08

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Solution

The fourth proportional to 66,482.98, 99,765.98 and 27,040.08 is: 40,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,482.98 : 99,765.98 = 27,040.08 : x
  2. Step 2: Convert to fraction form
    66,482.98/99,765.98 = 27,040.08/x
  3. Step 3: Cross multiply
    66,482.98x = 99,765.98 × 27,040.08
  4. Step 4: Simplify right side
    66,482.98x = 2,697,679,859.62
  5. Step 5: Solve for x
    x = 2,697,679,859.62/66,482.98
  6. Step 6: Final answer
    x = 40,577.00

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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.