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Finding the Fourth Proportional to 10,669.96, 15,898.23 and 9,505.99

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Solution

The fourth proportional to 10,669.96, 15,898.23 and 9,505.99 is: 14,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.96 : 15,898.23 = 9,505.99 : x
  2. Step 2: Convert to fraction form
    10,669.96/15,898.23 = 9,505.99/x
  3. Step 3: Cross multiply
    10,669.96x = 15,898.23 × 9,505.99
  4. Step 4: Simplify right side
    10,669.96x = 151,128,415.40
  5. Step 5: Solve for x
    x = 151,128,415.40/10,669.96
  6. Step 6: Final answer
    x = 14,163.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.