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Finding the Fourth Proportional to 3,492.14, 4,818.98 and 1,919.93

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Solution

The fourth proportional to 3,492.14, 4,818.98 and 1,919.93 is: 2,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.14 : 4,818.98 = 1,919.93 : x
  2. Step 2: Convert to fraction form
    3,492.14/4,818.98 = 1,919.93/x
  3. Step 3: Cross multiply
    3,492.14x = 4,818.98 × 1,919.93
  4. Step 4: Simplify right side
    3,492.14x = 9,252,094.67
  5. Step 5: Solve for x
    x = 9,252,094.67/3,492.14
  6. Step 6: Final answer
    x = 2,649.41

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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.