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Finding the Fourth Proportional to 19,166.95, 26,450.37 and 10,783.45

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Solution

The fourth proportional to 19,166.95, 26,450.37 and 10,783.45 is: 14,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.95 : 26,450.37 = 10,783.45 : x
  2. Step 2: Convert to fraction form
    19,166.95/26,450.37 = 10,783.45/x
  3. Step 3: Cross multiply
    19,166.95x = 26,450.37 × 10,783.45
  4. Step 4: Simplify right side
    19,166.95x = 285,226,242.38
  5. Step 5: Solve for x
    x = 285,226,242.38/19,166.95
  6. Step 6: Final answer
    x = 14,881.15

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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.