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Finding the Fourth Proportional to 7,903.47, 10,906.77 and 4,366.71

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Solution

The fourth proportional to 7,903.47, 10,906.77 and 4,366.71 is: 6,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.47 : 10,906.77 = 4,366.71 : x
  2. Step 2: Convert to fraction form
    7,903.47/10,906.77 = 4,366.71/x
  3. Step 3: Cross multiply
    7,903.47x = 10,906.77 × 4,366.71
  4. Step 4: Simplify right side
    7,903.47x = 47,626,701.63
  5. Step 5: Solve for x
    x = 47,626,701.63/7,903.47
  6. Step 6: Final answer
    x = 6,026.05

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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.