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Finding the Fourth Proportional to 13,597.24, 18,764.48 and 7,629.34

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Solution

The fourth proportional to 13,597.24, 18,764.48 and 7,629.34 is: 10,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.24 : 18,764.48 = 7,629.34 : x
  2. Step 2: Convert to fraction form
    13,597.24/18,764.48 = 7,629.34/x
  3. Step 3: Cross multiply
    13,597.24x = 18,764.48 × 7,629.34
  4. Step 4: Simplify right side
    13,597.24x = 143,160,597.84
  5. Step 5: Solve for x
    x = 143,160,597.84/13,597.24
  6. Step 6: Final answer
    x = 10,528.65

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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.