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Finding the Fourth Proportional to 3,754.54, 5,632.32 and 3,547.28

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Solution

The fourth proportional to 3,754.54, 5,632.32 and 3,547.28 is: 5,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.54 : 5,632.32 = 3,547.28 : x
  2. Step 2: Convert to fraction form
    3,754.54/5,632.32 = 3,547.28/x
  3. Step 3: Cross multiply
    3,754.54x = 5,632.32 × 3,547.28
  4. Step 4: Simplify right side
    3,754.54x = 19,979,416.09
  5. Step 5: Solve for x
    x = 19,979,416.09/3,754.54
  6. Step 6: Final answer
    x = 5,321.40

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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.