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Finding the Fourth Proportional to 52,893.16, 72,992.63 and 29,019.93

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Solution

The fourth proportional to 52,893.16, 72,992.63 and 29,019.93 is: 40,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893.16 : 72,992.63 = 29,019.93 : x
  2. Step 2: Convert to fraction form
    52,893.16/72,992.63 = 29,019.93/x
  3. Step 3: Cross multiply
    52,893.16x = 72,992.63 × 29,019.93
  4. Step 4: Simplify right side
    52,893.16x = 2,118,240,703.12
  5. Step 5: Solve for x
    x = 2,118,240,703.12/52,893.16
  6. Step 6: Final answer
    x = 40,047.54

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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.