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Finding the Fourth Proportional to 14,133.75, 21,200.67 and 4,899.75

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Solution

The fourth proportional to 14,133.75, 21,200.67 and 4,899.75 is: 7,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.75 : 21,200.67 = 4,899.75 : x
  2. Step 2: Convert to fraction form
    14,133.75/21,200.67 = 4,899.75/x
  3. Step 3: Cross multiply
    14,133.75x = 21,200.67 × 4,899.75
  4. Step 4: Simplify right side
    14,133.75x = 103,877,982.83
  5. Step 5: Solve for x
    x = 103,877,982.83/14,133.75
  6. Step 6: Final answer
    x = 7,349.64

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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.