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Finding the Fourth Proportional to 9,303.78, 13,955.48 and 2,729.82

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Solution

The fourth proportional to 9,303.78, 13,955.48 and 2,729.82 is: 4,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.78 : 13,955.48 = 2,729.82 : x
  2. Step 2: Convert to fraction form
    9,303.78/13,955.48 = 2,729.82/x
  3. Step 3: Cross multiply
    9,303.78x = 13,955.48 × 2,729.82
  4. Step 4: Simplify right side
    9,303.78x = 38,095,948.41
  5. Step 5: Solve for x
    x = 38,095,948.41/9,303.78
  6. Step 6: Final answer
    x = 4,094.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.