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Finding the Fourth Proportional to 3,887,639.96, 5,831,439.16 and 1,009,004.67

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Solution

The fourth proportional to 3,887,639.96, 5,831,439.16 and 1,009,004.67 is: 1,513,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,639.96 : 5,831,439.16 = 1,009,004.67 : x
  2. Step 2: Convert to fraction form
    3,887,639.96/5,831,439.16 = 1,009,004.67/x
  3. Step 3: Cross multiply
    3,887,639.96x = 5,831,439.16 × 1,009,004.67
  4. Step 4: Simplify right side
    3,887,639.96x = 5,883,949,316,103.68
  5. Step 5: Solve for x
    x = 5,883,949,316,103.68/3,887,639.96
  6. Step 6: Final answer
    x = 1,513,501.61

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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.