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Finding the Fourth Proportional to 4,486.60, 6,190.88 and 2,496.88

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Solution

The fourth proportional to 4,486.60, 6,190.88 and 2,496.88 is: 3,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.60 : 6,190.88 = 2,496.88 : x
  2. Step 2: Convert to fraction form
    4,486.60/6,190.88 = 2,496.88/x
  3. Step 3: Cross multiply
    4,486.60x = 6,190.88 × 2,496.88
  4. Step 4: Simplify right side
    4,486.60x = 15,457,875.22
  5. Step 5: Solve for x
    x = 15,457,875.22/4,486.60
  6. Step 6: Final answer
    x = 3,445.34

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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.