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Finding the Fourth Proportional to 10,362,648.10, 15,543,972.15 and 3,630,187.30

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Solution

The fourth proportional to 10,362,648.10, 15,543,972.15 and 3,630,187.30 is: 5,445,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,648.10 : 15,543,972.15 = 3,630,187.30 : x
  2. Step 2: Convert to fraction form
    10,362,648.10/15,543,972.15 = 3,630,187.30/x
  3. Step 3: Cross multiply
    10,362,648.10x = 15,543,972.15 × 3,630,187.30
  4. Step 4: Simplify right side
    10,362,648.10x = 56,427,530,290,483.70
  5. Step 5: Solve for x
    x = 56,427,530,290,483.70/10,362,648.10
  6. Step 6: Final answer
    x = 5,445,280.95

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Double scale
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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.