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Finding the Fourth Proportional to 7,899.71, 10,901.60 and 4,362.92

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Solution

The fourth proportional to 7,899.71, 10,901.60 and 4,362.92 is: 6,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.71 : 10,901.60 = 4,362.92 : x
  2. Step 2: Convert to fraction form
    7,899.71/10,901.60 = 4,362.92/x
  3. Step 3: Cross multiply
    7,899.71x = 10,901.60 × 4,362.92
  4. Step 4: Simplify right side
    7,899.71x = 47,562,732.35
  5. Step 5: Solve for x
    x = 47,562,732.35/7,899.71
  6. Step 6: Final answer
    x = 6,020.82

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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.