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Finding the Fourth Proportional to 35,527.80, 53,421.30 and 29,825.40

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Solution

The fourth proportional to 35,527.80, 53,421.30 and 29,825.40 is: 44,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,527.80 : 53,421.30 = 29,825.40 : x
  2. Step 2: Convert to fraction form
    35,527.80/53,421.30 = 29,825.40/x
  3. Step 3: Cross multiply
    35,527.80x = 53,421.30 × 29,825.40
  4. Step 4: Simplify right side
    35,527.80x = 1,593,311,641.02
  5. Step 5: Solve for x
    x = 1,593,311,641.02/35,527.80
  6. Step 6: Final answer
    x = 44,846.90

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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.