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Finding the Fourth Proportional to 26,000.80, 39,007.64 and 7,532.80

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Solution

The fourth proportional to 26,000.80, 39,007.64 and 7,532.80 is: 11,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.80 : 39,007.64 = 7,532.80 : x
  2. Step 2: Convert to fraction form
    26,000.80/39,007.64 = 7,532.80/x
  3. Step 3: Cross multiply
    26,000.80x = 39,007.64 × 7,532.80
  4. Step 4: Simplify right side
    26,000.80x = 293,836,750.59
  5. Step 5: Solve for x
    x = 293,836,750.59/26,000.80
  6. Step 6: Final answer
    x = 11,301.07

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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.