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Finding the Fourth Proportional to 46,671.60, 69,958.80 and 25,579.20

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Solution

The fourth proportional to 46,671.60, 69,958.80 and 25,579.20 is: 38,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,671.60 : 69,958.80 = 25,579.20 : x
  2. Step 2: Convert to fraction form
    46,671.60/69,958.80 = 25,579.20/x
  3. Step 3: Cross multiply
    46,671.60x = 69,958.80 × 25,579.20
  4. Step 4: Simplify right side
    46,671.60x = 1,789,490,136.96
  5. Step 5: Solve for x
    x = 1,789,490,136.96/46,671.60
  6. Step 6: Final answer
    x = 38,342.16

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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.