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Finding the Fourth Proportional to 1,973.28, 2,959.50 and 932.84

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Solution

The fourth proportional to 1,973.28, 2,959.50 and 932.84 is: 1,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.28 : 2,959.50 = 932.84 : x
  2. Step 2: Convert to fraction form
    1,973.28/2,959.50 = 932.84/x
  3. Step 3: Cross multiply
    1,973.28x = 2,959.50 × 932.84
  4. Step 4: Simplify right side
    1,973.28x = 2,760,739.98
  5. Step 5: Solve for x
    x = 2,760,739.98/1,973.28
  6. Step 6: Final answer
    x = 1,399.06

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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.