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Finding the Fourth Proportional to 16,674.88, 23,065.68 and 15,695.68

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Solution

The fourth proportional to 16,674.88, 23,065.68 and 15,695.68 is: 21,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.88 : 23,065.68 = 15,695.68 : x
  2. Step 2: Convert to fraction form
    16,674.88/23,065.68 = 15,695.68/x
  3. Step 3: Cross multiply
    16,674.88x = 23,065.68 × 15,695.68
  4. Step 4: Simplify right side
    16,674.88x = 362,031,532.26
  5. Step 5: Solve for x
    x = 362,031,532.26/16,674.88
  6. Step 6: Final answer
    x = 21,711.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.