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Finding the Fourth Proportional to 29,342.80, 43,985.40 and 26,232.40

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Solution

The fourth proportional to 29,342.80, 43,985.40 and 26,232.40 is: 39,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.80 : 43,985.40 = 26,232.40 : x
  2. Step 2: Convert to fraction form
    29,342.80/43,985.40 = 26,232.40/x
  3. Step 3: Cross multiply
    29,342.80x = 43,985.40 × 26,232.40
  4. Step 4: Simplify right side
    29,342.80x = 1,153,842,606.96
  5. Step 5: Solve for x
    x = 1,153,842,606.96/29,342.80
  6. Step 6: Final answer
    x = 39,322.85

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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.