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Finding the Fourth Proportional to 30,801.60, 46,137.60 and 25,617.60

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Solution

The fourth proportional to 30,801.60, 46,137.60 and 25,617.60 is: 38,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.60 : 46,137.60 = 25,617.60 : x
  2. Step 2: Convert to fraction form
    30,801.60/46,137.60 = 25,617.60/x
  3. Step 3: Cross multiply
    30,801.60x = 46,137.60 × 25,617.60
  4. Step 4: Simplify right side
    30,801.60x = 1,181,934,581.76
  5. Step 5: Solve for x
    x = 1,181,934,581.76/30,801.60
  6. Step 6: Final answer
    x = 38,372.51

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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.