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Finding the Fourth Proportional to 19,516.94, 26,870.90 and 17,032.94

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Solution

The fourth proportional to 19,516.94, 26,870.90 and 17,032.94 is: 23,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.94 : 26,870.90 = 17,032.94 : x
  2. Step 2: Convert to fraction form
    19,516.94/26,870.90 = 17,032.94/x
  3. Step 3: Cross multiply
    19,516.94x = 26,870.90 × 17,032.94
  4. Step 4: Simplify right side
    19,516.94x = 457,690,427.45
  5. Step 5: Solve for x
    x = 457,690,427.45/19,516.94
  6. Step 6: Final answer
    x = 23,450.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.