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Finding the Fourth Proportional to 1,700.20, 2,346.36 and 954.12

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Solution

The fourth proportional to 1,700.20, 2,346.36 and 954.12 is: 1,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.20 : 2,346.36 = 954.12 : x
  2. Step 2: Convert to fraction form
    1,700.20/2,346.36 = 954.12/x
  3. Step 3: Cross multiply
    1,700.20x = 2,346.36 × 954.12
  4. Step 4: Simplify right side
    1,700.20x = 2,238,709.00
  5. Step 5: Solve for x
    x = 2,238,709.00/1,700.20
  6. Step 6: Final answer
    x = 1,316.73

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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.