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Finding the Fourth Proportional to 64,940.08, 97,410.71 and 20,567.05

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Solution

The fourth proportional to 64,940.08, 97,410.71 and 20,567.05 is: 30,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,940.08 : 97,410.71 = 20,567.05 : x
  2. Step 2: Convert to fraction form
    64,940.08/97,410.71 = 20,567.05/x
  3. Step 3: Cross multiply
    64,940.08x = 97,410.71 × 20,567.05
  4. Step 4: Simplify right side
    64,940.08x = 2,003,450,943.11
  5. Step 5: Solve for x
    x = 2,003,450,943.11/64,940.08
  6. Step 6: Final answer
    x = 30,850.76

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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.