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Finding the Fourth Proportional to 1,456.60, 2,010.44 and 951.56

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Solution

The fourth proportional to 1,456.60, 2,010.44 and 951.56 is: 1,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.60 : 2,010.44 = 951.56 : x
  2. Step 2: Convert to fraction form
    1,456.60/2,010.44 = 951.56/x
  3. Step 3: Cross multiply
    1,456.60x = 2,010.44 × 951.56
  4. Step 4: Simplify right side
    1,456.60x = 1,913,054.29
  5. Step 5: Solve for x
    x = 1,913,054.29/1,456.60
  6. Step 6: Final answer
    x = 1,313.37

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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.