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Finding the Fourth Proportional to 8,978,941.92, 13,470,403.04 and 2,588,695.56

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Solution

The fourth proportional to 8,978,941.92, 13,470,403.04 and 2,588,695.56 is: 3,883,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,941.92 : 13,470,403.04 = 2,588,695.56 : x
  2. Step 2: Convert to fraction form
    8,978,941.92/13,470,403.04 = 2,588,695.56/x
  3. Step 3: Cross multiply
    8,978,941.92x = 13,470,403.04 × 2,588,695.56
  4. Step 4: Simplify right side
    8,978,941.92x = 34,870,772,541,058.50
  5. Step 5: Solve for x
    x = 34,870,772,541,058.50/8,978,941.92
  6. Step 6: Final answer
    x = 3,883,617.12

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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.