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Finding the Fourth Proportional to 6,295,068.41, 8,687,766.71 and 3,578,807.93

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Solution

The fourth proportional to 6,295,068.41, 8,687,766.71 and 3,578,807.93 is: 4,939,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295,068.41 : 8,687,766.71 = 3,578,807.93 : x
  2. Step 2: Convert to fraction form
    6,295,068.41/8,687,766.71 = 3,578,807.93/x
  3. Step 3: Cross multiply
    6,295,068.41x = 8,687,766.71 × 3,578,807.93
  4. Step 4: Simplify right side
    6,295,068.41x = 31,091,848,361,246.20
  5. Step 5: Solve for x
    x = 31,091,848,361,246.20/6,295,068.41
  6. Step 6: Final answer
    x = 4,939,080.30

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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.