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Finding the Fourth Proportional to 2,341.46, 3,512.90 and 955.55

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Solution

The fourth proportional to 2,341.46, 3,512.90 and 955.55 is: 1,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.46 : 3,512.90 = 955.55 : x
  2. Step 2: Convert to fraction form
    2,341.46/3,512.90 = 955.55/x
  3. Step 3: Cross multiply
    2,341.46x = 3,512.90 × 955.55
  4. Step 4: Simplify right side
    2,341.46x = 3,356,762.77
  5. Step 5: Solve for x
    x = 3,356,762.77/2,341.46
  6. Step 6: Final answer
    x = 1,433.62

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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.