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Finding the Fourth Proportional to 79,907.71, 119,777.30 and 26,585.41

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Solution

The fourth proportional to 79,907.71, 119,777.30 and 26,585.41 is: 39,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,907.71 : 119,777.30 = 26,585.41 : x
  2. Step 2: Convert to fraction form
    79,907.71/119,777.30 = 26,585.41/x
  3. Step 3: Cross multiply
    79,907.71x = 119,777.30 × 26,585.41
  4. Step 4: Simplify right side
    79,907.71x = 3,184,328,629.19
  5. Step 5: Solve for x
    x = 3,184,328,629.19/79,907.71
  6. Step 6: Final answer
    x = 39,850.08

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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.