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Finding the Fourth Proportional to 12,503.01, 17,261.64 and 7,793.67

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Solution

The fourth proportional to 12,503.01, 17,261.64 and 7,793.67 is: 10,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.01 : 17,261.64 = 7,793.67 : x
  2. Step 2: Convert to fraction form
    12,503.01/17,261.64 = 7,793.67/x
  3. Step 3: Cross multiply
    12,503.01x = 17,261.64 × 7,793.67
  4. Step 4: Simplify right side
    12,503.01x = 134,531,525.82
  5. Step 5: Solve for x
    x = 134,531,525.82/12,503.01
  6. Step 6: Final answer
    x = 10,759.93

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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.