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Finding the Fourth Proportional to 1,733.84, 2,392.67 and 947.88

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Solution

The fourth proportional to 1,733.84, 2,392.67 and 947.88 is: 1,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.84 : 2,392.67 = 947.88 : x
  2. Step 2: Convert to fraction form
    1,733.84/2,392.67 = 947.88/x
  3. Step 3: Cross multiply
    1,733.84x = 2,392.67 × 947.88
  4. Step 4: Simplify right side
    1,733.84x = 2,267,959.30
  5. Step 5: Solve for x
    x = 2,267,959.30/1,733.84
  6. Step 6: Final answer
    x = 1,308.06

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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.