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Finding the Fourth Proportional to 18,483.60, 25,504.80 and 10,525.44

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Solution

The fourth proportional to 18,483.60, 25,504.80 and 10,525.44 is: 14,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.60 : 25,504.80 = 10,525.44 : x
  2. Step 2: Convert to fraction form
    18,483.60/25,504.80 = 10,525.44/x
  3. Step 3: Cross multiply
    18,483.60x = 25,504.80 × 10,525.44
  4. Step 4: Simplify right side
    18,483.60x = 268,449,242.11
  5. Step 5: Solve for x
    x = 268,449,242.11/18,483.60
  6. Step 6: Final answer
    x = 14,523.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.