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Finding the Fourth Proportional to 18,571,566.60, 27,857,349.90 and 5,792,050.80

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Solution

The fourth proportional to 18,571,566.60, 27,857,349.90 and 5,792,050.80 is: 8,688,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571,566.60 : 27,857,349.90 = 5,792,050.80 : x
  2. Step 2: Convert to fraction form
    18,571,566.60/27,857,349.90 = 5,792,050.80/x
  3. Step 3: Cross multiply
    18,571,566.60x = 27,857,349.90 × 5,792,050.80
  4. Step 4: Simplify right side
    18,571,566.60x = 161,351,185,774,174.91
  5. Step 5: Solve for x
    x = 161,351,185,774,174.91/18,571,566.60
  6. Step 6: Final answer
    x = 8,688,076.20

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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.