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Finding the Fourth Proportional to 40,644.68, 60,950.76 and 15,670.88

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Solution

The fourth proportional to 40,644.68, 60,950.76 and 15,670.88 is: 23,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.68 : 60,950.76 = 15,670.88 : x
  2. Step 2: Convert to fraction form
    40,644.68/60,950.76 = 15,670.88/x
  3. Step 3: Cross multiply
    40,644.68x = 60,950.76 × 15,670.88
  4. Step 4: Simplify right side
    40,644.68x = 955,152,045.87
  5. Step 5: Solve for x
    x = 955,152,045.87/40,644.68
  6. Step 6: Final answer
    x = 23,500.05

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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.