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Finding the Fourth Proportional to 29,483.52, 44,242.56 and 21,154.56

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Solution

The fourth proportional to 29,483.52, 44,242.56 and 21,154.56 is: 31,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,483.52 : 44,242.56 = 21,154.56 : x
  2. Step 2: Convert to fraction form
    29,483.52/44,242.56 = 21,154.56/x
  3. Step 3: Cross multiply
    29,483.52x = 44,242.56 × 21,154.56
  4. Step 4: Simplify right side
    29,483.52x = 935,931,890.07
  5. Step 5: Solve for x
    x = 935,931,890.07/29,483.52
  6. Step 6: Final answer
    x = 31,744.24

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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.