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Finding the Fourth Proportional to 7,901.29, 10,903.43 and 4,364.42

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Solution

The fourth proportional to 7,901.29, 10,903.43 and 4,364.42 is: 6,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.29 : 10,903.43 = 4,364.42 : x
  2. Step 2: Convert to fraction form
    7,901.29/10,903.43 = 4,364.42/x
  3. Step 3: Cross multiply
    7,901.29x = 10,903.43 × 4,364.42
  4. Step 4: Simplify right side
    7,901.29x = 47,587,126.14
  5. Step 5: Solve for x
    x = 47,587,126.14/7,901.29
  6. Step 6: Final answer
    x = 6,022.71

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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.