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Finding the Fourth Proportional to 4,492.72, 6,199.72 and 2,503.20

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Solution

The fourth proportional to 4,492.72, 6,199.72 and 2,503.20 is: 3,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492.72 : 6,199.72 = 2,503.20 : x
  2. Step 2: Convert to fraction form
    4,492.72/6,199.72 = 2,503.20/x
  3. Step 3: Cross multiply
    4,492.72x = 6,199.72 × 2,503.20
  4. Step 4: Simplify right side
    4,492.72x = 15,519,139.10
  5. Step 5: Solve for x
    x = 15,519,139.10/4,492.72
  6. Step 6: Final answer
    x = 3,454.29

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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.