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Finding the Fourth Proportional to 4,503.66, 6,754.62 and 1,215.92

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Solution

The fourth proportional to 4,503.66, 6,754.62 and 1,215.92 is: 1,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.66 : 6,754.62 = 1,215.92 : x
  2. Step 2: Convert to fraction form
    4,503.66/6,754.62 = 1,215.92/x
  3. Step 3: Cross multiply
    4,503.66x = 6,754.62 × 1,215.92
  4. Step 4: Simplify right side
    4,503.66x = 8,213,077.55
  5. Step 5: Solve for x
    x = 8,213,077.55/4,503.66
  6. Step 6: Final answer
    x = 1,823.65

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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.