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Finding the Fourth Proportional to 66,089.44, 98,983.67 and 51,768.51

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Solution

The fourth proportional to 66,089.44, 98,983.67 and 51,768.51 is: 77,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.44 : 98,983.67 = 51,768.51 : x
  2. Step 2: Convert to fraction form
    66,089.44/98,983.67 = 51,768.51/x
  3. Step 3: Cross multiply
    66,089.44x = 98,983.67 × 51,768.51
  4. Step 4: Simplify right side
    66,089.44x = 5,124,237,110.23
  5. Step 5: Solve for x
    x = 5,124,237,110.23/66,089.44
  6. Step 6: Final answer
    x = 77,534.88

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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.