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Finding the Fourth Proportional to 57,059.00, 78,737.97 and 34,405.32

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Solution

The fourth proportional to 57,059.00, 78,737.97 and 34,405.32 is: 47,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059.00 : 78,737.97 = 34,405.32 : x
  2. Step 2: Convert to fraction form
    57,059.00/78,737.97 = 34,405.32/x
  3. Step 3: Cross multiply
    57,059.00x = 78,737.97 × 34,405.32
  4. Step 4: Simplify right side
    57,059.00x = 2,709,005,478.29
  5. Step 5: Solve for x
    x = 2,709,005,478.29/57,059.00
  6. Step 6: Final answer
    x = 47,477.27

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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.