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Finding the Fourth Proportional to 40,484.40, 60,697.80 and 15,514.80

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Solution

The fourth proportional to 40,484.40, 60,697.80 and 15,514.80 is: 23,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484.40 : 60,697.80 = 15,514.80 : x
  2. Step 2: Convert to fraction form
    40,484.40/60,697.80 = 15,514.80/x
  3. Step 3: Cross multiply
    40,484.40x = 60,697.80 × 15,514.80
  4. Step 4: Simplify right side
    40,484.40x = 941,714,227.44
  5. Step 5: Solve for x
    x = 941,714,227.44/40,484.40
  6. Step 6: Final answer
    x = 23,261.16

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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.