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Finding the Fourth Proportional to 10,529.91, 15,762.02 and 8,955.27

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Solution

The fourth proportional to 10,529.91, 15,762.02 and 8,955.27 is: 13,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.91 : 15,762.02 = 8,955.27 : x
  2. Step 2: Convert to fraction form
    10,529.91/15,762.02 = 8,955.27/x
  3. Step 3: Cross multiply
    10,529.91x = 15,762.02 × 8,955.27
  4. Step 4: Simplify right side
    10,529.91x = 141,153,100.07
  5. Step 5: Solve for x
    x = 141,153,100.07/10,529.91
  6. Step 6: Final answer
    x = 13,404.97

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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.