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Finding the Fourth Proportional to 2,332.01, 3,220.12 and 1,549.55

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Solution

The fourth proportional to 2,332.01, 3,220.12 and 1,549.55 is: 2,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.01 : 3,220.12 = 1,549.55 : x
  2. Step 2: Convert to fraction form
    2,332.01/3,220.12 = 1,549.55/x
  3. Step 3: Cross multiply
    2,332.01x = 3,220.12 × 1,549.55
  4. Step 4: Simplify right side
    2,332.01x = 4,989,736.95
  5. Step 5: Solve for x
    x = 4,989,736.95/2,332.01
  6. Step 6: Final answer
    x = 2,139.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.