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Finding the Fourth Proportional to 58,355.02, 87,544.01 and 20,905.01

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Solution

The fourth proportional to 58,355.02, 87,544.01 and 20,905.01 is: 31,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,355.02 : 87,544.01 = 20,905.01 : x
  2. Step 2: Convert to fraction form
    58,355.02/87,544.01 = 20,905.01/x
  3. Step 3: Cross multiply
    58,355.02x = 87,544.01 × 20,905.01
  4. Step 4: Simplify right side
    58,355.02x = 1,830,107,862.25
  5. Step 5: Solve for x
    x = 1,830,107,862.25/58,355.02
  6. Step 6: Final answer
    x = 31,361.62

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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.