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Finding the Fourth Proportional to 5,630,064.56, 7,769,280.95 and 3,051,689.98

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Solution

The fourth proportional to 5,630,064.56, 7,769,280.95 and 3,051,689.98 is: 4,211,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630,064.56 : 7,769,280.95 = 3,051,689.98 : x
  2. Step 2: Convert to fraction form
    5,630,064.56/7,769,280.95 = 3,051,689.98/x
  3. Step 3: Cross multiply
    5,630,064.56x = 7,769,280.95 × 3,051,689.98
  4. Step 4: Simplify right side
    5,630,064.56x = 23,709,436,772,815.03
  5. Step 5: Solve for x
    x = 23,709,436,772,815.03/5,630,064.56
  6. Step 6: Final answer
    x = 4,211,219.34

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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.