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Finding the Fourth Proportional to 64,555.62, 89,072.93 and 37,685.93

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Solution

The fourth proportional to 64,555.62, 89,072.93 and 37,685.93 is: 51,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,555.62 : 89,072.93 = 37,685.93 : x
  2. Step 2: Convert to fraction form
    64,555.62/89,072.93 = 37,685.93/x
  3. Step 3: Cross multiply
    64,555.62x = 89,072.93 × 37,685.93
  4. Step 4: Simplify right side
    64,555.62x = 3,356,795,759.51
  5. Step 5: Solve for x
    x = 3,356,795,759.51/64,555.62
  6. Step 6: Final answer
    x = 51,998.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.