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Finding the Fourth Proportional to 1,733.45, 2,392.16 and 947.49

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Solution

The fourth proportional to 1,733.45, 2,392.16 and 947.49 is: 1,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.45 : 2,392.16 = 947.49 : x
  2. Step 2: Convert to fraction form
    1,733.45/2,392.16 = 947.49/x
  3. Step 3: Cross multiply
    1,733.45x = 2,392.16 × 947.49
  4. Step 4: Simplify right side
    1,733.45x = 2,266,556.96
  5. Step 5: Solve for x
    x = 2,266,556.96/1,733.45
  6. Step 6: Final answer
    x = 1,307.54

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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.