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Finding the Fourth Proportional to 1,754.64, 2,630.13 and 714.23

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Solution

The fourth proportional to 1,754.64, 2,630.13 and 714.23 is: 1,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.64 : 2,630.13 = 714.23 : x
  2. Step 2: Convert to fraction form
    1,754.64/2,630.13 = 714.23/x
  3. Step 3: Cross multiply
    1,754.64x = 2,630.13 × 714.23
  4. Step 4: Simplify right side
    1,754.64x = 1,878,504.60
  5. Step 5: Solve for x
    x = 1,878,504.60/1,754.64
  6. Step 6: Final answer
    x = 1,070.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.