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Finding the Fourth Proportional to 18,330.60, 24,765.75 and 18,330.60

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Solution

The fourth proportional to 18,330.60, 24,765.75 and 18,330.60 is: 24,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.60 : 24,765.75 = 18,330.60 : x
  2. Step 2: Convert to fraction form
    18,330.60/24,765.75 = 18,330.60/x
  3. Step 3: Cross multiply
    18,330.60x = 24,765.75 × 18,330.60
  4. Step 4: Simplify right side
    18,330.60x = 453,971,056.95
  5. Step 5: Solve for x
    x = 453,971,056.95/18,330.60
  6. Step 6: Final answer
    x = 24,765.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.