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Finding the Fourth Proportional to 1,498.64, 2,246.45 and 882.23

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Solution

The fourth proportional to 1,498.64, 2,246.45 and 882.23 is: 1,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.64 : 2,246.45 = 882.23 : x
  2. Step 2: Convert to fraction form
    1,498.64/2,246.45 = 882.23/x
  3. Step 3: Cross multiply
    1,498.64x = 2,246.45 × 882.23
  4. Step 4: Simplify right side
    1,498.64x = 1,981,869.94
  5. Step 5: Solve for x
    x = 1,981,869.94/1,498.64
  6. Step 6: Final answer
    x = 1,322.45

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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.