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Finding the Fourth Proportional to 16,312.73, 24,472.73 and 5,220.08

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Solution

The fourth proportional to 16,312.73, 24,472.73 and 5,220.08 is: 7,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.73 : 24,472.73 = 5,220.08 : x
  2. Step 2: Convert to fraction form
    16,312.73/24,472.73 = 5,220.08/x
  3. Step 3: Cross multiply
    16,312.73x = 24,472.73 × 5,220.08
  4. Step 4: Simplify right side
    16,312.73x = 127,749,561.51
  5. Step 5: Solve for x
    x = 127,749,561.51/16,312.73
  6. Step 6: Final answer
    x = 7,831.28

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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.