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Finding the Fourth Proportional to 1,754.76, 2,632.62 and 714.12

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Solution

The fourth proportional to 1,754.76, 2,632.62 and 714.12 is: 1,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.76 : 2,632.62 = 714.12 : x
  2. Step 2: Convert to fraction form
    1,754.76/2,632.62 = 714.12/x
  3. Step 3: Cross multiply
    1,754.76x = 2,632.62 × 714.12
  4. Step 4: Simplify right side
    1,754.76x = 1,880,006.59
  5. Step 5: Solve for x
    x = 1,880,006.59/1,754.76
  6. Step 6: Final answer
    x = 1,071.38

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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.