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Finding the Fourth Proportional to 7,903.10, 11,850.71 and 4,901.45

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Solution

The fourth proportional to 7,903.10, 11,850.71 and 4,901.45 is: 7,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.10 : 11,850.71 = 4,901.45 : x
  2. Step 2: Convert to fraction form
    7,903.10/11,850.71 = 4,901.45/x
  3. Step 3: Cross multiply
    7,903.10x = 11,850.71 × 4,901.45
  4. Step 4: Simplify right side
    7,903.10x = 58,085,578.77
  5. Step 5: Solve for x
    x = 58,085,578.77/7,903.10
  6. Step 6: Final answer
    x = 7,349.72

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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.