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Finding the Fourth Proportional to 40,656.30, 60,984.45 and 14,363.70

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Solution

The fourth proportional to 40,656.30, 60,984.45 and 14,363.70 is: 21,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,656.30 : 60,984.45 = 14,363.70 : x
  2. Step 2: Convert to fraction form
    40,656.30/60,984.45 = 14,363.70/x
  3. Step 3: Cross multiply
    40,656.30x = 60,984.45 × 14,363.70
  4. Step 4: Simplify right side
    40,656.30x = 875,962,344.47
  5. Step 5: Solve for x
    x = 875,962,344.47/40,656.30
  6. Step 6: Final answer
    x = 21,545.55

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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.