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Finding the Fourth Proportional to 7,903.76, 10,906.64 and 4,366.94

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Solution

The fourth proportional to 7,903.76, 10,906.64 and 4,366.94 is: 6,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.76 : 10,906.64 = 4,366.94 : x
  2. Step 2: Convert to fraction form
    7,903.76/10,906.64 = 4,366.94/x
  3. Step 3: Cross multiply
    7,903.76x = 10,906.64 × 4,366.94
  4. Step 4: Simplify right side
    7,903.76x = 47,628,642.48
  5. Step 5: Solve for x
    x = 47,628,642.48/7,903.76
  6. Step 6: Final answer
    x = 6,026.07

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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.