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Finding the Fourth Proportional to 52,522.43, 78,788.54 and 20,924.84

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Solution

The fourth proportional to 52,522.43, 78,788.54 and 20,924.84 is: 31,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,522.43 : 78,788.54 = 20,924.84 : x
  2. Step 2: Convert to fraction form
    52,522.43/78,788.54 = 20,924.84/x
  3. Step 3: Cross multiply
    52,522.43x = 78,788.54 × 20,924.84
  4. Step 4: Simplify right side
    52,522.43x = 1,648,637,842.62
  5. Step 5: Solve for x
    x = 1,648,637,842.62/52,522.43
  6. Step 6: Final answer
    x = 31,389.21

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1.5x scale

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.