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Finding the Fourth Proportional to 4,642.99, 6,407.19 and 2,518.43

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Solution

The fourth proportional to 4,642.99, 6,407.19 and 2,518.43 is: 3,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.99 : 6,407.19 = 2,518.43 : x
  2. Step 2: Convert to fraction form
    4,642.99/6,407.19 = 2,518.43/x
  3. Step 3: Cross multiply
    4,642.99x = 6,407.19 × 2,518.43
  4. Step 4: Simplify right side
    4,642.99x = 16,136,027.48
  5. Step 5: Solve for x
    x = 16,136,027.48/4,642.99
  6. Step 6: Final answer
    x = 3,475.35

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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.