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Finding the Fourth Proportional to 59,101.40, 88,676.40 and 21,679.40

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Solution

The fourth proportional to 59,101.40, 88,676.40 and 21,679.40 is: 32,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,101.40 : 88,676.40 = 21,679.40 : x
  2. Step 2: Convert to fraction form
    59,101.40/88,676.40 = 21,679.40/x
  3. Step 3: Cross multiply
    59,101.40x = 88,676.40 × 21,679.40
  4. Step 4: Simplify right side
    59,101.40x = 1,922,451,146.16
  5. Step 5: Solve for x
    x = 1,922,451,146.16/59,101.40
  6. Step 6: Final answer
    x = 32,528.01

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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.