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Finding the Fourth Proportional to 46,360.84, 69,538 and 13,079.56

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Solution

The fourth proportional to 46,360.84, 69,538 and 13,079.56 is: 19,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,360.84 : 69,538 = 13,079.56 : x
  2. Step 2: Convert to fraction form
    46,360.84/69,538 = 13,079.56/x
  3. Step 3: Cross multiply
    46,360.84x = 69,538 × 13,079.56
  4. Step 4: Simplify right side
    46,360.84x = 909,526,443.28
  5. Step 5: Solve for x
    x = 909,526,443.28/46,360.84
  6. Step 6: Final answer
    x = 19,618.42

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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.