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Finding the Fourth Proportional to 43,607.99, 65,401.76 and 14,026.19

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Solution

The fourth proportional to 43,607.99, 65,401.76 and 14,026.19 is: 21,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,607.99 : 65,401.76 = 14,026.19 : x
  2. Step 2: Convert to fraction form
    43,607.99/65,401.76 = 14,026.19/x
  3. Step 3: Cross multiply
    43,607.99x = 65,401.76 × 14,026.19
  4. Step 4: Simplify right side
    43,607.99x = 917,337,220.15
  5. Step 5: Solve for x
    x = 917,337,220.15/43,607.99
  6. Step 6: Final answer
    x = 21,035.99

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1.5x scale

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.