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Finding the Fourth Proportional to 60,477.60, 90,685.27 and 27,169.08

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Solution

The fourth proportional to 60,477.60, 90,685.27 and 27,169.08 is: 40,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.60 : 90,685.27 = 27,169.08 : x
  2. Step 2: Convert to fraction form
    60,477.60/90,685.27 = 27,169.08/x
  3. Step 3: Cross multiply
    60,477.60x = 90,685.27 × 27,169.08
  4. Step 4: Simplify right side
    60,477.60x = 2,463,835,355.45
  5. Step 5: Solve for x
    x = 2,463,835,355.45/60,477.60
  6. Step 6: Final answer
    x = 40,739.64

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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.