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Finding the Fourth Proportional to 88,384.80, 132,577.20 and 21,824.40

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Solution

The fourth proportional to 88,384.80, 132,577.20 and 21,824.40 is: 32,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,384.80 : 132,577.20 = 21,824.40 : x
  2. Step 2: Convert to fraction form
    88,384.80/132,577.20 = 21,824.40/x
  3. Step 3: Cross multiply
    88,384.80x = 132,577.20 × 21,824.40
  4. Step 4: Simplify right side
    88,384.80x = 2,893,417,843.68
  5. Step 5: Solve for x
    x = 2,893,417,843.68/88,384.80
  6. Step 6: Final answer
    x = 32,736.60

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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.