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Finding the Fourth Proportional to 7,901.09, 10,903.50 and 4,364.54

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Solution

The fourth proportional to 7,901.09, 10,903.50 and 4,364.54 is: 6,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.09 : 10,903.50 = 4,364.54 : x
  2. Step 2: Convert to fraction form
    7,901.09/10,903.50 = 4,364.54/x
  3. Step 3: Cross multiply
    7,901.09x = 10,903.50 × 4,364.54
  4. Step 4: Simplify right side
    7,901.09x = 47,588,761.89
  5. Step 5: Solve for x
    x = 47,588,761.89/7,901.09
  6. Step 6: Final answer
    x = 6,023.06

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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.