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Finding the Fourth Proportional to 6,259.68, 8,630.55 and 4,579.74

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Solution

The fourth proportional to 6,259.68, 8,630.55 and 4,579.74 is: 6,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.68 : 8,630.55 = 4,579.74 : x
  2. Step 2: Convert to fraction form
    6,259.68/8,630.55 = 4,579.74/x
  3. Step 3: Cross multiply
    6,259.68x = 8,630.55 × 4,579.74
  4. Step 4: Simplify right side
    6,259.68x = 39,525,675.06
  5. Step 5: Solve for x
    x = 39,525,675.06/6,259.68
  6. Step 6: Final answer
    x = 6,314.33

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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.