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Finding the Fourth Proportional to 46,641.60, 69,962.40 and 43,725.60

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Solution

The fourth proportional to 46,641.60, 69,962.40 and 43,725.60 is: 65,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,641.60 : 69,962.40 = 43,725.60 : x
  2. Step 2: Convert to fraction form
    46,641.60/69,962.40 = 43,725.60/x
  3. Step 3: Cross multiply
    46,641.60x = 69,962.40 × 43,725.60
  4. Step 4: Simplify right side
    46,641.60x = 3,059,147,917.44
  5. Step 5: Solve for x
    x = 3,059,147,917.44/46,641.60
  6. Step 6: Final answer
    x = 65,588.40

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Similar ratio
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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.