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Finding the Fourth Proportional to 66,003.49, 99,054.42 and 26,560.93

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Solution

The fourth proportional to 66,003.49, 99,054.42 and 26,560.93 is: 39,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,003.49 : 99,054.42 = 26,560.93 : x
  2. Step 2: Convert to fraction form
    66,003.49/99,054.42 = 26,560.93/x
  3. Step 3: Cross multiply
    66,003.49x = 99,054.42 × 26,560.93
  4. Step 4: Simplify right side
    66,003.49x = 2,630,977,515.81
  5. Step 5: Solve for x
    x = 2,630,977,515.81/66,003.49
  6. Step 6: Final answer
    x = 39,861.19

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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.