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Finding the Fourth Proportional to 66,035.71, 99,053.56 and 30,975.37

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Solution

The fourth proportional to 66,035.71, 99,053.56 and 30,975.37 is: 46,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035.71 : 99,053.56 = 30,975.37 : x
  2. Step 2: Convert to fraction form
    66,035.71/99,053.56 = 30,975.37/x
  3. Step 3: Cross multiply
    66,035.71x = 99,053.56 × 30,975.37
  4. Step 4: Simplify right side
    66,035.71x = 3,068,220,287.67
  5. Step 5: Solve for x
    x = 3,068,220,287.67/66,035.71
  6. Step 6: Final answer
    x = 46,463.05

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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.