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Finding the Fourth Proportional to 16,579.60, 24,840.60 and 13,987.60

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Solution

The fourth proportional to 16,579.60, 24,840.60 and 13,987.60 is: 20,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.60 : 24,840.60 = 13,987.60 : x
  2. Step 2: Convert to fraction form
    16,579.60/24,840.60 = 13,987.60/x
  3. Step 3: Cross multiply
    16,579.60x = 24,840.60 × 13,987.60
  4. Step 4: Simplify right side
    16,579.60x = 347,460,376.56
  5. Step 5: Solve for x
    x = 347,460,376.56/16,579.60
  6. Step 6: Final answer
    x = 20,957.10

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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.