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Finding the Fourth Proportional to 18,361,653.60, 27,542,480.40 and 16,346,114.40

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Solution

The fourth proportional to 18,361,653.60, 27,542,480.40 and 16,346,114.40 is: 24,519,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,653.60 : 27,542,480.40 = 16,346,114.40 : x
  2. Step 2: Convert to fraction form
    18,361,653.60/27,542,480.40 = 16,346,114.40/x
  3. Step 3: Cross multiply
    18,361,653.60x = 27,542,480.40 × 16,346,114.40
  4. Step 4: Simplify right side
    18,361,653.60x = 450,212,535,478,157.75
  5. Step 5: Solve for x
    x = 450,212,535,478,157.75/18,361,653.60
  6. Step 6: Final answer
    x = 24,519,171.60

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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.