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Finding the Fourth Proportional to 9,952.63, 13,719.90 and 6,367.20

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Solution

The fourth proportional to 9,952.63, 13,719.90 and 6,367.20 is: 8,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,952.63 : 13,719.90 = 6,367.20 : x
  2. Step 2: Convert to fraction form
    9,952.63/13,719.90 = 6,367.20/x
  3. Step 3: Cross multiply
    9,952.63x = 13,719.90 × 6,367.20
  4. Step 4: Simplify right side
    9,952.63x = 87,357,347.28
  5. Step 5: Solve for x
    x = 87,357,347.28/9,952.63
  6. Step 6: Final answer
    x = 8,777.32

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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.