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Finding the Fourth Proportional to 2,512.32, 3,768.48 and 973.68

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Solution

The fourth proportional to 2,512.32, 3,768.48 and 973.68 is: 1,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.32 : 3,768.48 = 973.68 : x
  2. Step 2: Convert to fraction form
    2,512.32/3,768.48 = 973.68/x
  3. Step 3: Cross multiply
    2,512.32x = 3,768.48 × 973.68
  4. Step 4: Simplify right side
    2,512.32x = 3,669,293.61
  5. Step 5: Solve for x
    x = 3,669,293.61/2,512.32
  6. Step 6: Final answer
    x = 1,460.52

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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.