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Finding the Fourth Proportional to 51,669.92, 77,504.78 and 14,230.22

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Solution

The fourth proportional to 51,669.92, 77,504.78 and 14,230.22 is: 21,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,669.92 : 77,504.78 = 14,230.22 : x
  2. Step 2: Convert to fraction form
    51,669.92/77,504.78 = 14,230.22/x
  3. Step 3: Cross multiply
    51,669.92x = 77,504.78 × 14,230.22
  4. Step 4: Simplify right side
    51,669.92x = 1,102,910,070.45
  5. Step 5: Solve for x
    x = 1,102,910,070.45/51,669.92
  6. Step 6: Final answer
    x = 21,345.30

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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.