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Finding the Fourth Proportional to 2,341.07, 3,511.60 and 955.16

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Solution

The fourth proportional to 2,341.07, 3,511.60 and 955.16 is: 1,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.07 : 3,511.60 = 955.16 : x
  2. Step 2: Convert to fraction form
    2,341.07/3,511.60 = 955.16/x
  3. Step 3: Cross multiply
    2,341.07x = 3,511.60 × 955.16
  4. Step 4: Simplify right side
    2,341.07x = 3,354,117.52
  5. Step 5: Solve for x
    x = 3,354,117.52/2,341.07
  6. Step 6: Final answer
    x = 1,432.73

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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.