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Finding the Fourth Proportional to 29,420.64, 44,174.64 and 28,895.76

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Solution

The fourth proportional to 29,420.64, 44,174.64 and 28,895.76 is: 43,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.64 : 44,174.64 = 28,895.76 : x
  2. Step 2: Convert to fraction form
    29,420.64/44,174.64 = 28,895.76/x
  3. Step 3: Cross multiply
    29,420.64x = 44,174.64 × 28,895.76
  4. Step 4: Simplify right side
    29,420.64x = 1,276,459,795.53
  5. Step 5: Solve for x
    x = 1,276,459,795.53/29,420.64
  6. Step 6: Final answer
    x = 43,386.54

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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.