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Finding the Fourth Proportional to 3,886,003.60, 5,824,728.60 and 1,360,358.80

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Solution

The fourth proportional to 3,886,003.60, 5,824,728.60 and 1,360,358.80 is: 2,039,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,003.60 : 5,824,728.60 = 1,360,358.80 : x
  2. Step 2: Convert to fraction form
    3,886,003.60/5,824,728.60 = 1,360,358.80/x
  3. Step 3: Cross multiply
    3,886,003.60x = 5,824,728.60 × 1,360,358.80
  4. Step 4: Simplify right side
    3,886,003.60x = 7,923,720,808,621.68
  5. Step 5: Solve for x
    x = 7,923,720,808,621.68/3,886,003.60
  6. Step 6: Final answer
    x = 2,039,041.04

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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.