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Finding the Fourth Proportional to 17,206.80, 25,810.20 and 16,256.40

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Solution

The fourth proportional to 17,206.80, 25,810.20 and 16,256.40 is: 24,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.80 : 25,810.20 = 16,256.40 : x
  2. Step 2: Convert to fraction form
    17,206.80/25,810.20 = 16,256.40/x
  3. Step 3: Cross multiply
    17,206.80x = 25,810.20 × 16,256.40
  4. Step 4: Simplify right side
    17,206.80x = 419,580,935.28
  5. Step 5: Solve for x
    x = 419,580,935.28/17,206.80
  6. Step 6: Final answer
    x = 24,384.60

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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.