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Finding the Fourth Proportional to 14,656.75, 21,904.65 and 10,716.30

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Solution

The fourth proportional to 14,656.75, 21,904.65 and 10,716.30 is: 16,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.75 : 21,904.65 = 10,716.30 : x
  2. Step 2: Convert to fraction form
    14,656.75/21,904.65 = 10,716.30/x
  3. Step 3: Cross multiply
    14,656.75x = 21,904.65 × 10,716.30
  4. Step 4: Simplify right side
    14,656.75x = 234,736,800.80
  5. Step 5: Solve for x
    x = 234,736,800.80/14,656.75
  6. Step 6: Final answer
    x = 16,015.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.