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Finding the Fourth Proportional to 40,594.40, 60,901.20 and 12,892.40

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Solution

The fourth proportional to 40,594.40, 60,901.20 and 12,892.40 is: 19,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,594.40 : 60,901.20 = 12,892.40 : x
  2. Step 2: Convert to fraction form
    40,594.40/60,901.20 = 12,892.40/x
  3. Step 3: Cross multiply
    40,594.40x = 60,901.20 × 12,892.40
  4. Step 4: Simplify right side
    40,594.40x = 785,162,630.88
  5. Step 5: Solve for x
    x = 785,162,630.88/40,594.40
  6. Step 6: Final answer
    x = 19,341.65

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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.