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Finding the Fourth Proportional to 16,750.79, 25,126.17 and 13,055.79

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Solution

The fourth proportional to 16,750.79, 25,126.17 and 13,055.79 is: 19,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.79 : 25,126.17 = 13,055.79 : x
  2. Step 2: Convert to fraction form
    16,750.79/25,126.17 = 13,055.79/x
  3. Step 3: Cross multiply
    16,750.79x = 25,126.17 × 13,055.79
  4. Step 4: Simplify right side
    16,750.79x = 328,042,044.29
  5. Step 5: Solve for x
    x = 328,042,044.29/16,750.79
  6. Step 6: Final answer
    x = 19,583.67

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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.