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Finding the Fourth Proportional to 10,581.94, 14,598.92 and 7,394.39

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Solution

The fourth proportional to 10,581.94, 14,598.92 and 7,394.39 is: 10,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.94 : 14,598.92 = 7,394.39 : x
  2. Step 2: Convert to fraction form
    10,581.94/14,598.92 = 7,394.39/x
  3. Step 3: Cross multiply
    10,581.94x = 14,598.92 × 7,394.39
  4. Step 4: Simplify right side
    10,581.94x = 107,949,998.09
  5. Step 5: Solve for x
    x = 107,949,998.09/10,581.94
  6. Step 6: Final answer
    x = 10,201.35

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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.