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Finding the Fourth Proportional to 40,400.64, 60,598.80 and 14,104.80

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Solution

The fourth proportional to 40,400.64, 60,598.80 and 14,104.80 is: 21,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.64 : 60,598.80 = 14,104.80 : x
  2. Step 2: Convert to fraction form
    40,400.64/60,598.80 = 14,104.80/x
  3. Step 3: Cross multiply
    40,400.64x = 60,598.80 × 14,104.80
  4. Step 4: Simplify right side
    40,400.64x = 854,733,954.24
  5. Step 5: Solve for x
    x = 854,733,954.24/40,400.64
  6. Step 6: Final answer
    x = 21,156.45

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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.