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Finding the Fourth Proportional to 10,805.96, 14,907.06 and 6,326.96

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Solution

The fourth proportional to 10,805.96, 14,907.06 and 6,326.96 is: 8,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.96 : 14,907.06 = 6,326.96 : x
  2. Step 2: Convert to fraction form
    10,805.96/14,907.06 = 6,326.96/x
  3. Step 3: Cross multiply
    10,805.96x = 14,907.06 × 6,326.96
  4. Step 4: Simplify right side
    10,805.96x = 94,316,297.80
  5. Step 5: Solve for x
    x = 94,316,297.80/10,805.96
  6. Step 6: Final answer
    x = 8,728.17

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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.