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Finding the Fourth Proportional to 14,665.94, 21,998.16 and 4,803.92

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Solution

The fourth proportional to 14,665.94, 21,998.16 and 4,803.92 is: 7,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.94 : 21,998.16 = 4,803.92 : x
  2. Step 2: Convert to fraction form
    14,665.94/21,998.16 = 4,803.92/x
  3. Step 3: Cross multiply
    14,665.94x = 21,998.16 × 4,803.92
  4. Step 4: Simplify right side
    14,665.94x = 105,677,400.79
  5. Step 5: Solve for x
    x = 105,677,400.79/14,665.94
  6. Step 6: Final answer
    x = 7,205.63

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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.