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Finding the Fourth Proportional to 21,975.46, 32,950.49 and 19,348.22

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Solution

The fourth proportional to 21,975.46, 32,950.49 and 19,348.22 is: 29,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.46 : 32,950.49 = 19,348.22 : x
  2. Step 2: Convert to fraction form
    21,975.46/32,950.49 = 19,348.22/x
  3. Step 3: Cross multiply
    21,975.46x = 32,950.49 × 19,348.22
  4. Step 4: Simplify right side
    21,975.46x = 637,533,315.26
  5. Step 5: Solve for x
    x = 637,533,315.26/21,975.46
  6. Step 6: Final answer
    x = 29,011.15

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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.