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Finding the Fourth Proportional to 26,043.84, 39,065.76 and 7,325.86

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Solution

The fourth proportional to 26,043.84, 39,065.76 and 7,325.86 is: 10,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,043.84 : 39,065.76 = 7,325.86 : x
  2. Step 2: Convert to fraction form
    26,043.84/39,065.76 = 7,325.86/x
  3. Step 3: Cross multiply
    26,043.84x = 39,065.76 × 7,325.86
  4. Step 4: Simplify right side
    26,043.84x = 286,190,288.55
  5. Step 5: Solve for x
    x = 286,190,288.55/26,043.84
  6. Step 6: Final answer
    x = 10,988.79

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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.