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Finding the Fourth Proportional to 19,352.53, 28,953.19 and 16,993.81

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Solution

The fourth proportional to 19,352.53, 28,953.19 and 16,993.81 is: 25,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.53 : 28,953.19 = 16,993.81 : x
  2. Step 2: Convert to fraction form
    19,352.53/28,953.19 = 16,993.81/x
  3. Step 3: Cross multiply
    19,352.53x = 28,953.19 × 16,993.81
  4. Step 4: Simplify right side
    19,352.53x = 492,025,009.75
  5. Step 5: Solve for x
    x = 492,025,009.75/19,352.53
  6. Step 6: Final answer
    x = 25,424.32

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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.