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Finding the Fourth Proportional to 46,036.56, 69,054.86 and 18,354

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Solution

The fourth proportional to 46,036.56, 69,054.86 and 18,354 is: 27,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,036.56 : 69,054.86 = 18,354 : x
  2. Step 2: Convert to fraction form
    46,036.56/69,054.86 = 18,354/x
  3. Step 3: Cross multiply
    46,036.56x = 69,054.86 × 18,354
  4. Step 4: Simplify right side
    46,036.56x = 1,267,432,900.44
  5. Step 5: Solve for x
    x = 1,267,432,900.44/46,036.56
  6. Step 6: Final answer
    x = 27,531.01

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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.