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Finding the Fourth Proportional to 35,405.80, 53,115.96 and 29,602.96

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Solution

The fourth proportional to 35,405.80, 53,115.96 and 29,602.96 is: 44,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.80 : 53,115.96 = 29,602.96 : x
  2. Step 2: Convert to fraction form
    35,405.80/53,115.96 = 29,602.96/x
  3. Step 3: Cross multiply
    35,405.80x = 53,115.96 × 29,602.96
  4. Step 4: Simplify right side
    35,405.80x = 1,572,389,639.24
  5. Step 5: Solve for x
    x = 1,572,389,639.24/35,405.80
  6. Step 6: Final answer
    x = 44,410.51

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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.