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Finding the Fourth Proportional to 10,798.86, 14,855.58 and 8,805.06

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Solution

The fourth proportional to 10,798.86, 14,855.58 and 8,805.06 is: 12,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798.86 : 14,855.58 = 8,805.06 : x
  2. Step 2: Convert to fraction form
    10,798.86/14,855.58 = 8,805.06/x
  3. Step 3: Cross multiply
    10,798.86x = 14,855.58 × 8,805.06
  4. Step 4: Simplify right side
    10,798.86x = 130,804,273.23
  5. Step 5: Solve for x
    x = 130,804,273.23/10,798.86
  6. Step 6: Final answer
    x = 12,112.79

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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.