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Finding the Fourth Proportional to 21,602.58, 32,384.43 and 11,182.74

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Solution

The fourth proportional to 21,602.58, 32,384.43 and 11,182.74 is: 16,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602.58 : 32,384.43 = 11,182.74 : x
  2. Step 2: Convert to fraction form
    21,602.58/32,384.43 = 11,182.74/x
  3. Step 3: Cross multiply
    21,602.58x = 32,384.43 × 11,182.74
  4. Step 4: Simplify right side
    21,602.58x = 362,146,660.74
  5. Step 5: Solve for x
    x = 362,146,660.74/21,602.58
  6. Step 6: Final answer
    x = 16,764.05

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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.