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Finding the Fourth Proportional to 46,160.85, 69,213.60 and 21,169.60

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Solution

The fourth proportional to 46,160.85, 69,213.60 and 21,169.60 is: 31,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,160.85 : 69,213.60 = 21,169.60 : x
  2. Step 2: Convert to fraction form
    46,160.85/69,213.60 = 21,169.60/x
  3. Step 3: Cross multiply
    46,160.85x = 69,213.60 × 21,169.60
  4. Step 4: Simplify right side
    46,160.85x = 1,465,224,053.53
  5. Step 5: Solve for x
    x = 1,465,224,053.53/46,160.85
  6. Step 6: Final answer
    x = 31,741.70

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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.