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Finding the Fourth Proportional to 10,659.71, 14,710.19 and 5,880.09

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Solution

The fourth proportional to 10,659.71, 14,710.19 and 5,880.09 is: 8,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.71 : 14,710.19 = 5,880.09 : x
  2. Step 2: Convert to fraction form
    10,659.71/14,710.19 = 5,880.09/x
  3. Step 3: Cross multiply
    10,659.71x = 14,710.19 × 5,880.09
  4. Step 4: Simplify right side
    10,659.71x = 86,497,241.12
  5. Step 5: Solve for x
    x = 86,497,241.12/10,659.71
  6. Step 6: Final answer
    x = 8,114.41

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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.