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Finding the Fourth Proportional to 1,047.48, 1,446.50 and 675.33

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Solution

The fourth proportional to 1,047.48, 1,446.50 and 675.33 is: 932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.48 : 1,446.50 = 675.33 : x
  2. Step 2: Convert to fraction form
    1,047.48/1,446.50 = 675.33/x
  3. Step 3: Cross multiply
    1,047.48x = 1,446.50 × 675.33
  4. Step 4: Simplify right side
    1,047.48x = 976,861.47
  5. Step 5: Solve for x
    x = 976,861.47/1,047.48
  6. Step 6: Final answer
    x = 932.58

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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.