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Finding the Fourth Proportional to 89,852.40, 134,754.30 and 26,672.40

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Solution

The fourth proportional to 89,852.40, 134,754.30 and 26,672.40 is: 40,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,852.40 : 134,754.30 = 26,672.40 : x
  2. Step 2: Convert to fraction form
    89,852.40/134,754.30 = 26,672.40/x
  3. Step 3: Cross multiply
    89,852.40x = 134,754.30 × 26,672.40
  4. Step 4: Simplify right side
    89,852.40x = 3,594,220,591.32
  5. Step 5: Solve for x
    x = 3,594,220,591.32/89,852.40
  6. Step 6: Final answer
    x = 40,001.39

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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.