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Finding the Fourth Proportional to 7,512.76, 10,366.86 and 4,368.16

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Solution

The fourth proportional to 7,512.76, 10,366.86 and 4,368.16 is: 6,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.76 : 10,366.86 = 4,368.16 : x
  2. Step 2: Convert to fraction form
    7,512.76/10,366.86 = 4,368.16/x
  3. Step 3: Cross multiply
    7,512.76x = 10,366.86 × 4,368.16
  4. Step 4: Simplify right side
    7,512.76x = 45,284,103.18
  5. Step 5: Solve for x
    x = 45,284,103.18/7,512.76
  6. Step 6: Final answer
    x = 6,027.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.