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Finding the Fourth Proportional to 67,903.47, 93,704.99 and 37,688.01

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Solution

The fourth proportional to 67,903.47, 93,704.99 and 37,688.01 is: 52,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,903.47 : 93,704.99 = 37,688.01 : x
  2. Step 2: Convert to fraction form
    67,903.47/93,704.99 = 37,688.01/x
  3. Step 3: Cross multiply
    67,903.47x = 93,704.99 × 37,688.01
  4. Step 4: Simplify right side
    67,903.47x = 3,531,554,411.73
  5. Step 5: Solve for x
    x = 3,531,554,411.73/67,903.47
  6. Step 6: Final answer
    x = 52,008.45

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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.