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Finding the Fourth Proportional to 29,919.03, 41,290.64 and 16,492.68

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Solution

The fourth proportional to 29,919.03, 41,290.64 and 16,492.68 is: 22,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.03 : 41,290.64 = 16,492.68 : x
  2. Step 2: Convert to fraction form
    29,919.03/41,290.64 = 16,492.68/x
  3. Step 3: Cross multiply
    29,919.03x = 41,290.64 × 16,492.68
  4. Step 4: Simplify right side
    29,919.03x = 680,993,085.45
  5. Step 5: Solve for x
    x = 680,993,085.45/29,919.03
  6. Step 6: Final answer
    x = 22,761.20

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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.