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Finding the Fourth Proportional to 32,992.48, 45,525.54 and 21,062.80

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Solution

The fourth proportional to 32,992.48, 45,525.54 and 21,062.80 is: 29,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,992.48 : 45,525.54 = 21,062.80 : x
  2. Step 2: Convert to fraction form
    32,992.48/45,525.54 = 21,062.80/x
  3. Step 3: Cross multiply
    32,992.48x = 45,525.54 × 21,062.80
  4. Step 4: Simplify right side
    32,992.48x = 958,895,343.91
  5. Step 5: Solve for x
    x = 958,895,343.91/32,992.48
  6. Step 6: Final answer
    x = 29,064.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.