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Finding the Fourth Proportional to 22,628.16, 33,945.48 and 7,047.36

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Solution

The fourth proportional to 22,628.16, 33,945.48 and 7,047.36 is: 10,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.16 : 33,945.48 = 7,047.36 : x
  2. Step 2: Convert to fraction form
    22,628.16/33,945.48 = 7,047.36/x
  3. Step 3: Cross multiply
    22,628.16x = 33,945.48 × 7,047.36
  4. Step 4: Simplify right side
    22,628.16x = 239,226,017.93
  5. Step 5: Solve for x
    x = 239,226,017.93/22,628.16
  6. Step 6: Final answer
    x = 10,572.05

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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.