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Finding the Fourth Proportional to 26,492.48, 39,748.80 and 16,620.80

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Solution

The fourth proportional to 26,492.48, 39,748.80 and 16,620.80 is: 24,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.48 : 39,748.80 = 16,620.80 : x
  2. Step 2: Convert to fraction form
    26,492.48/39,748.80 = 16,620.80/x
  3. Step 3: Cross multiply
    26,492.48x = 39,748.80 × 16,620.80
  4. Step 4: Simplify right side
    26,492.48x = 660,656,855.04
  5. Step 5: Solve for x
    x = 660,656,855.04/26,492.48
  6. Step 6: Final answer
    x = 24,937.52

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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.