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Finding the Fourth Proportional to 5,703.36, 8,555.20 and 1,754.72

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Solution

The fourth proportional to 5,703.36, 8,555.20 and 1,754.72 is: 2,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.36 : 8,555.20 = 1,754.72 : x
  2. Step 2: Convert to fraction form
    5,703.36/8,555.20 = 1,754.72/x
  3. Step 3: Cross multiply
    5,703.36x = 8,555.20 × 1,754.72
  4. Step 4: Simplify right side
    5,703.36x = 15,011,980.54
  5. Step 5: Solve for x
    x = 15,011,980.54/5,703.36
  6. Step 6: Final answer
    x = 2,632.13

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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.