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Finding the Fourth Proportional to 66,272.74, 99,368.97 and 29,751.01

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Solution

The fourth proportional to 66,272.74, 99,368.97 and 29,751.01 is: 44,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272.74 : 99,368.97 = 29,751.01 : x
  2. Step 2: Convert to fraction form
    66,272.74/99,368.97 = 29,751.01/x
  3. Step 3: Cross multiply
    66,272.74x = 99,368.97 × 29,751.01
  4. Step 4: Simplify right side
    66,272.74x = 2,956,327,220.16
  5. Step 5: Solve for x
    x = 2,956,327,220.16/66,272.74
  6. Step 6: Final answer
    x = 44,608.50

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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.