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Finding the Fourth Proportional to 26,031.99, 39,059.90 and 14,167.99

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Solution

The fourth proportional to 26,031.99, 39,059.90 and 14,167.99 is: 21,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,031.99 : 39,059.90 = 14,167.99 : x
  2. Step 2: Convert to fraction form
    26,031.99/39,059.90 = 14,167.99/x
  3. Step 3: Cross multiply
    26,031.99x = 39,059.90 × 14,167.99
  4. Step 4: Simplify right side
    26,031.99x = 553,400,272.60
  5. Step 5: Solve for x
    x = 553,400,272.60/26,031.99
  6. Step 6: Final answer
    x = 21,258.47

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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.