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Finding the Fourth Proportional to 1,004.90, 1,496.82 and 957.52

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Solution

The fourth proportional to 1,004.90, 1,496.82 and 957.52 is: 1,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.90 : 1,496.82 = 957.52 : x
  2. Step 2: Convert to fraction form
    1,004.90/1,496.82 = 957.52/x
  3. Step 3: Cross multiply
    1,004.90x = 1,496.82 × 957.52
  4. Step 4: Simplify right side
    1,004.90x = 1,433,222.81
  5. Step 5: Solve for x
    x = 1,433,222.81/1,004.90
  6. Step 6: Final answer
    x = 1,426.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.