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Finding the Fourth Proportional to 2,345.48, 3,516.97 and 958.41

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Solution

The fourth proportional to 2,345.48, 3,516.97 and 958.41 is: 1,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.48 : 3,516.97 = 958.41 : x
  2. Step 2: Convert to fraction form
    2,345.48/3,516.97 = 958.41/x
  3. Step 3: Cross multiply
    2,345.48x = 3,516.97 × 958.41
  4. Step 4: Simplify right side
    2,345.48x = 3,370,688.73
  5. Step 5: Solve for x
    x = 3,370,688.73/2,345.48
  6. Step 6: Final answer
    x = 1,437.10

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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.