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Finding the Fourth Proportional to 32,950.80, 49,426.20 and 13,219.20

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Solution

The fourth proportional to 32,950.80, 49,426.20 and 13,219.20 is: 19,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,950.80 : 49,426.20 = 13,219.20 : x
  2. Step 2: Convert to fraction form
    32,950.80/49,426.20 = 13,219.20/x
  3. Step 3: Cross multiply
    32,950.80x = 49,426.20 × 13,219.20
  4. Step 4: Simplify right side
    32,950.80x = 653,374,823.04
  5. Step 5: Solve for x
    x = 653,374,823.04/32,950.80
  6. Step 6: Final answer
    x = 19,828.80

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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.