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Finding the Fourth Proportional to 6,498,999.56, 8,968,690.86 and 3,598,441.40

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Solution

The fourth proportional to 6,498,999.56, 8,968,690.86 and 3,598,441.40 is: 4,965,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,999.56 : 8,968,690.86 = 3,598,441.40 : x
  2. Step 2: Convert to fraction form
    6,498,999.56/8,968,690.86 = 3,598,441.40/x
  3. Step 3: Cross multiply
    6,498,999.56x = 8,968,690.86 × 3,598,441.40
  4. Step 4: Simplify right side
    6,498,999.56x = 32,273,308,494,425.60
  5. Step 5: Solve for x
    x = 32,273,308,494,425.60/6,498,999.56
  6. Step 6: Final answer
    x = 4,965,888.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.