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Finding the Fourth Proportional to 3,552.24, 5,328.35 and 955.18

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Solution

The fourth proportional to 3,552.24, 5,328.35 and 955.18 is: 1,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.24 : 5,328.35 = 955.18 : x
  2. Step 2: Convert to fraction form
    3,552.24/5,328.35 = 955.18/x
  3. Step 3: Cross multiply
    3,552.24x = 5,328.35 × 955.18
  4. Step 4: Simplify right side
    3,552.24x = 5,089,501.94
  5. Step 5: Solve for x
    x = 5,089,501.94/3,552.24
  6. Step 6: Final answer
    x = 1,432.76

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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.