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Finding the Fourth Proportional to 62,973.72, 94,437.84 and 20,846.01

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Solution

The fourth proportional to 62,973.72, 94,437.84 and 20,846.01 is: 31,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,973.72 : 94,437.84 = 20,846.01 : x
  2. Step 2: Convert to fraction form
    62,973.72/94,437.84 = 20,846.01/x
  3. Step 3: Cross multiply
    62,973.72x = 94,437.84 × 20,846.01
  4. Step 4: Simplify right side
    62,973.72x = 1,968,652,157.02
  5. Step 5: Solve for x
    x = 1,968,652,157.02/62,973.72
  6. Step 6: Final answer
    x = 31,261.49

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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.