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Finding the Fourth Proportional to 9,875.38, 14,813.10 and 2,855.97

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Solution

The fourth proportional to 9,875.38, 14,813.10 and 2,855.97 is: 4,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.38 : 14,813.10 = 2,855.97 : x
  2. Step 2: Convert to fraction form
    9,875.38/14,813.10 = 2,855.97/x
  3. Step 3: Cross multiply
    9,875.38x = 14,813.10 × 2,855.97
  4. Step 4: Simplify right side
    9,875.38x = 42,305,769.21
  5. Step 5: Solve for x
    x = 42,305,769.21/9,875.38
  6. Step 6: Final answer
    x = 4,283.96

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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.