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Finding the Fourth Proportional to 8,792,571.60, 13,188,857.40 and 5,922,790.20

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Solution

The fourth proportional to 8,792,571.60, 13,188,857.40 and 5,922,790.20 is: 8,884,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792,571.60 : 13,188,857.40 = 5,922,790.20 : x
  2. Step 2: Convert to fraction form
    8,792,571.60/13,188,857.40 = 5,922,790.20/x
  3. Step 3: Cross multiply
    8,792,571.60x = 13,188,857.40 × 5,922,790.20
  4. Step 4: Simplify right side
    8,792,571.60x = 78,114,835,357,917.48
  5. Step 5: Solve for x
    x = 78,114,835,357,917.48/8,792,571.60
  6. Step 6: Final answer
    x = 8,884,185.30

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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.