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Finding the Fourth Proportional to 52,893.35, 72,990.36 and 29,019.50

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Solution

The fourth proportional to 52,893.35, 72,990.36 and 29,019.50 is: 40,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893.35 : 72,990.36 = 29,019.50 : x
  2. Step 2: Convert to fraction form
    52,893.35/72,990.36 = 29,019.50/x
  3. Step 3: Cross multiply
    52,893.35x = 72,990.36 × 29,019.50
  4. Step 4: Simplify right side
    52,893.35x = 2,118,143,387.07
  5. Step 5: Solve for x
    x = 2,118,143,387.07/52,893.35
  6. Step 6: Final answer
    x = 40,045.56

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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.