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Finding the Fourth Proportional to 46,486.96, 69,702.73 and 18,411.05

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Solution

The fourth proportional to 46,486.96, 69,702.73 and 18,411.05 is: 27,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,486.96 : 69,702.73 = 18,411.05 : x
  2. Step 2: Convert to fraction form
    46,486.96/69,702.73 = 18,411.05/x
  3. Step 3: Cross multiply
    46,486.96x = 69,702.73 × 18,411.05
  4. Step 4: Simplify right side
    46,486.96x = 1,283,300,183.32
  5. Step 5: Solve for x
    x = 1,283,300,183.32/46,486.96
  6. Step 6: Final answer
    x = 27,605.59

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1.5x scale

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.