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Finding the Fourth Proportional to 4,600.17, 6,899.60 and 1,479.77

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Solution

The fourth proportional to 4,600.17, 6,899.60 and 1,479.77 is: 2,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.17 : 6,899.60 = 1,479.77 : x
  2. Step 2: Convert to fraction form
    4,600.17/6,899.60 = 1,479.77/x
  3. Step 3: Cross multiply
    4,600.17x = 6,899.60 × 1,479.77
  4. Step 4: Simplify right side
    4,600.17x = 10,209,779.20
  5. Step 5: Solve for x
    x = 10,209,779.20/4,600.17
  6. Step 6: Final answer
    x = 2,219.44

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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.