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Finding the Fourth Proportional to 10,235.94, 15,353.86 and 8,845.05

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Solution

The fourth proportional to 10,235.94, 15,353.86 and 8,845.05 is: 13,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.94 : 15,353.86 = 8,845.05 : x
  2. Step 2: Convert to fraction form
    10,235.94/15,353.86 = 8,845.05/x
  3. Step 3: Cross multiply
    10,235.94x = 15,353.86 × 8,845.05
  4. Step 4: Simplify right side
    10,235.94x = 135,805,637.28
  5. Step 5: Solve for x
    x = 135,805,637.28/10,235.94
  6. Step 6: Final answer
    x = 13,267.53

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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.