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Finding the Fourth Proportional to 7,668.59, 10,579.65 and 4,310.64

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Solution

The fourth proportional to 7,668.59, 10,579.65 and 4,310.64 is: 5,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.59 : 10,579.65 = 4,310.64 : x
  2. Step 2: Convert to fraction form
    7,668.59/10,579.65 = 4,310.64/x
  3. Step 3: Cross multiply
    7,668.59x = 10,579.65 × 4,310.64
  4. Step 4: Simplify right side
    7,668.59x = 45,605,062.48
  5. Step 5: Solve for x
    x = 45,605,062.48/7,668.59
  6. Step 6: Final answer
    x = 5,947.00

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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.