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Finding the Fourth Proportional to 1,326.30, 1,828.08 and 952.92

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Solution

The fourth proportional to 1,326.30, 1,828.08 and 952.92 is: 1,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.30 : 1,828.08 = 952.92 : x
  2. Step 2: Convert to fraction form
    1,326.30/1,828.08 = 952.92/x
  3. Step 3: Cross multiply
    1,326.30x = 1,828.08 × 952.92
  4. Step 4: Simplify right side
    1,326.30x = 1,742,013.99
  5. Step 5: Solve for x
    x = 1,742,013.99/1,326.30
  6. Step 6: Final answer
    x = 1,313.44

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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.