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Finding the Fourth Proportional to 26,296.80, 39,358.80 and 23,186.40

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Solution

The fourth proportional to 26,296.80, 39,358.80 and 23,186.40 is: 34,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,296.80 : 39,358.80 = 23,186.40 : x
  2. Step 2: Convert to fraction form
    26,296.80/39,358.80 = 23,186.40/x
  3. Step 3: Cross multiply
    26,296.80x = 39,358.80 × 23,186.40
  4. Step 4: Simplify right side
    26,296.80x = 912,588,880.32
  5. Step 5: Solve for x
    x = 912,588,880.32/26,296.80
  6. Step 6: Final answer
    x = 34,703.42

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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.