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Finding the Fourth Proportional to 35,687.20, 53,530.80 and 32,000.80

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Solution

The fourth proportional to 35,687.20, 53,530.80 and 32,000.80 is: 48,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.20 : 53,530.80 = 32,000.80 : x
  2. Step 2: Convert to fraction form
    35,687.20/53,530.80 = 32,000.80/x
  3. Step 3: Cross multiply
    35,687.20x = 53,530.80 × 32,000.80
  4. Step 4: Simplify right side
    35,687.20x = 1,713,028,424.64
  5. Step 5: Solve for x
    x = 1,713,028,424.64/35,687.20
  6. Step 6: Final answer
    x = 48,001.20

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1.5x scale

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.