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Finding the Fourth Proportional to 10,684.92, 16,008.99 and 7,559.79

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Solution

The fourth proportional to 10,684.92, 16,008.99 and 7,559.79 is: 11,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.92 : 16,008.99 = 7,559.79 : x
  2. Step 2: Convert to fraction form
    10,684.92/16,008.99 = 7,559.79/x
  3. Step 3: Cross multiply
    10,684.92x = 16,008.99 × 7,559.79
  4. Step 4: Simplify right side
    10,684.92x = 121,024,602.51
  5. Step 5: Solve for x
    x = 121,024,602.51/10,684.92
  6. Step 6: Final answer
    x = 11,326.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.