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Finding the Fourth Proportional to 14,758.68, 22,147.74 and 6,968.28

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Solution

The fourth proportional to 14,758.68, 22,147.74 and 6,968.28 is: 10,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.68 : 22,147.74 = 6,968.28 : x
  2. Step 2: Convert to fraction form
    14,758.68/22,147.74 = 6,968.28/x
  3. Step 3: Cross multiply
    14,758.68x = 22,147.74 × 6,968.28
  4. Step 4: Simplify right side
    14,758.68x = 154,331,653.69
  5. Step 5: Solve for x
    x = 154,331,653.69/14,758.68
  6. Step 6: Final answer
    x = 10,457.01

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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.