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Finding the Fourth Proportional to 3,555.24, 5,332.86 and 958.18

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Solution

The fourth proportional to 3,555.24, 5,332.86 and 958.18 is: 1,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.24 : 5,332.86 = 958.18 : x
  2. Step 2: Convert to fraction form
    3,555.24/5,332.86 = 958.18/x
  3. Step 3: Cross multiply
    3,555.24x = 5,332.86 × 958.18
  4. Step 4: Simplify right side
    3,555.24x = 5,109,826.46
  5. Step 5: Solve for x
    x = 5,109,826.46/3,555.24
  6. Step 6: Final answer
    x = 1,437.27

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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.