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Finding the Fourth Proportional to 2,752.74, 4,126.93 and 997.47

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Solution

The fourth proportional to 2,752.74, 4,126.93 and 997.47 is: 1,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.74 : 4,126.93 = 997.47 : x
  2. Step 2: Convert to fraction form
    2,752.74/4,126.93 = 997.47/x
  3. Step 3: Cross multiply
    2,752.74x = 4,126.93 × 997.47
  4. Step 4: Simplify right side
    2,752.74x = 4,116,486.37
  5. Step 5: Solve for x
    x = 4,116,486.37/2,752.74
  6. Step 6: Final answer
    x = 1,495.41

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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.