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Finding the Fourth Proportional to 52,645.68, 78,968.64 and 26,323.92

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Solution

The fourth proportional to 52,645.68, 78,968.64 and 26,323.92 is: 39,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,645.68 : 78,968.64 = 26,323.92 : x
  2. Step 2: Convert to fraction form
    52,645.68/78,968.64 = 26,323.92/x
  3. Step 3: Cross multiply
    52,645.68x = 78,968.64 × 26,323.92
  4. Step 4: Simplify right side
    52,645.68x = 2,078,764,161.87
  5. Step 5: Solve for x
    x = 2,078,764,161.87/52,645.68
  6. Step 6: Final answer
    x = 39,485.94

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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.