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Finding the Fourth Proportional to 19,764,309.60, 29,646,464.40 and 16,646,522.40

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Solution

The fourth proportional to 19,764,309.60, 29,646,464.40 and 16,646,522.40 is: 24,969,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,309.60 : 29,646,464.40 = 16,646,522.40 : x
  2. Step 2: Convert to fraction form
    19,764,309.60/29,646,464.40 = 16,646,522.40/x
  3. Step 3: Cross multiply
    19,764,309.60x = 29,646,464.40 × 16,646,522.40
  4. Step 4: Simplify right side
    19,764,309.60x = 493,510,533,715,402.56
  5. Step 5: Solve for x
    x = 493,510,533,715,402.56/19,764,309.60
  6. Step 6: Final answer
    x = 24,969,783.60

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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.