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Finding the Fourth Proportional to 26,107.80, 36,020.16 and 14,776.16

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Solution

The fourth proportional to 26,107.80, 36,020.16 and 14,776.16 is: 20,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.80 : 36,020.16 = 14,776.16 : x
  2. Step 2: Convert to fraction form
    26,107.80/36,020.16 = 14,776.16/x
  3. Step 3: Cross multiply
    26,107.80x = 36,020.16 × 14,776.16
  4. Step 4: Simplify right side
    26,107.80x = 532,239,647.39
  5. Step 5: Solve for x
    x = 532,239,647.39/26,107.80
  6. Step 6: Final answer
    x = 20,386.23

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.