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Finding the Fourth Proportional to 17,969.80, 26,952.80 and 4,823.50

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Solution

The fourth proportional to 17,969.80, 26,952.80 and 4,823.50 is: 7,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,969.80 : 26,952.80 = 4,823.50 : x
  2. Step 2: Convert to fraction form
    17,969.80/26,952.80 = 4,823.50/x
  3. Step 3: Cross multiply
    17,969.80x = 26,952.80 × 4,823.50
  4. Step 4: Simplify right side
    17,969.80x = 130,006,830.80
  5. Step 5: Solve for x
    x = 130,006,830.80/17,969.80
  6. Step 6: Final answer
    x = 7,234.74

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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.