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Finding the Fourth Proportional to 28,253.96, 42,354.94 and 9,773

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Solution

The fourth proportional to 28,253.96, 42,354.94 and 9,773 is: 14,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.96 : 42,354.94 = 9,773 : x
  2. Step 2: Convert to fraction form
    28,253.96/42,354.94 = 9,773/x
  3. Step 3: Cross multiply
    28,253.96x = 42,354.94 × 9,773
  4. Step 4: Simplify right side
    28,253.96x = 413,934,828.62
  5. Step 5: Solve for x
    x = 413,934,828.62/28,253.96
  6. Step 6: Final answer
    x = 14,650.51

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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.