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Finding the Fourth Proportional to 52,812.60, 79,230.90 and 17,755.80

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Solution

The fourth proportional to 52,812.60, 79,230.90 and 17,755.80 is: 26,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,812.60 : 79,230.90 = 17,755.80 : x
  2. Step 2: Convert to fraction form
    52,812.60/79,230.90 = 17,755.80/x
  3. Step 3: Cross multiply
    52,812.60x = 79,230.90 × 17,755.80
  4. Step 4: Simplify right side
    52,812.60x = 1,406,808,014.22
  5. Step 5: Solve for x
    x = 1,406,808,014.22/52,812.60
  6. Step 6: Final answer
    x = 26,637.73

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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.