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Finding the Fourth Proportional to 19,282.16, 28,890.23 and 10,523.22

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Solution

The fourth proportional to 19,282.16, 28,890.23 and 10,523.22 is: 15,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.16 : 28,890.23 = 10,523.22 : x
  2. Step 2: Convert to fraction form
    19,282.16/28,890.23 = 10,523.22/x
  3. Step 3: Cross multiply
    19,282.16x = 28,890.23 × 10,523.22
  4. Step 4: Simplify right side
    19,282.16x = 304,018,193.52
  5. Step 5: Solve for x
    x = 304,018,193.52/19,282.16
  6. Step 6: Final answer
    x = 15,766.82

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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.