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Finding the Fourth Proportional to 10,617.69, 14,652.90 and 5,901.69

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Solution

The fourth proportional to 10,617.69, 14,652.90 and 5,901.69 is: 8,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.69 : 14,652.90 = 5,901.69 : x
  2. Step 2: Convert to fraction form
    10,617.69/14,652.90 = 5,901.69/x
  3. Step 3: Cross multiply
    10,617.69x = 14,652.90 × 5,901.69
  4. Step 4: Simplify right side
    10,617.69x = 86,476,873.40
  5. Step 5: Solve for x
    x = 86,476,873.40/10,617.69
  6. Step 6: Final answer
    x = 8,144.60

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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.