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Finding the Fourth Proportional to 45,632.80, 68,460.54 and 26,928.28

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Solution

The fourth proportional to 45,632.80, 68,460.54 and 26,928.28 is: 40,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,632.80 : 68,460.54 = 26,928.28 : x
  2. Step 2: Convert to fraction form
    45,632.80/68,460.54 = 26,928.28/x
  3. Step 3: Cross multiply
    45,632.80x = 68,460.54 × 26,928.28
  4. Step 4: Simplify right side
    45,632.80x = 1,843,524,590.07
  5. Step 5: Solve for x
    x = 1,843,524,590.07/45,632.80
  6. Step 6: Final answer
    x = 40,399.11

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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.