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Finding the Fourth Proportional to 32,989.80, 45,525.06 and 17,881.80

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Solution

The fourth proportional to 32,989.80, 45,525.06 and 17,881.80 is: 24,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.80 : 45,525.06 = 17,881.80 : x
  2. Step 2: Convert to fraction form
    32,989.80/45,525.06 = 17,881.80/x
  3. Step 3: Cross multiply
    32,989.80x = 45,525.06 × 17,881.80
  4. Step 4: Simplify right side
    32,989.80x = 814,070,017.91
  5. Step 5: Solve for x
    x = 814,070,017.91/32,989.80
  6. Step 6: Final answer
    x = 24,676.42

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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.