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Finding the Fourth Proportional to 7,679.56, 10,597.69 and 4,495.05

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Solution

The fourth proportional to 7,679.56, 10,597.69 and 4,495.05 is: 6,203.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.56 : 10,597.69 = 4,495.05 : x
  2. Step 2: Convert to fraction form
    7,679.56/10,597.69 = 4,495.05/x
  3. Step 3: Cross multiply
    7,679.56x = 10,597.69 × 4,495.05
  4. Step 4: Simplify right side
    7,679.56x = 47,637,146.43
  5. Step 5: Solve for x
    x = 47,637,146.43/7,679.56
  6. Step 6: Final answer
    x = 6,203.11

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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.