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Finding the Fourth Proportional to 52,893.68, 72,994.96 and 29,021.92

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Solution

The fourth proportional to 52,893.68, 72,994.96 and 29,021.92 is: 40,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893.68 : 72,994.96 = 29,021.92 : x
  2. Step 2: Convert to fraction form
    52,893.68/72,994.96 = 29,021.92/x
  3. Step 3: Cross multiply
    52,893.68x = 72,994.96 × 29,021.92
  4. Step 4: Simplify right side
    52,893.68x = 2,118,453,889.52
  5. Step 5: Solve for x
    x = 2,118,453,889.52/52,893.68
  6. Step 6: Final answer
    x = 40,051.17

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1.5x scale

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.