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Finding the Fourth Proportional to 23,670.76, 32,676.03 and 15,719.80

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Solution

The fourth proportional to 23,670.76, 32,676.03 and 15,719.80 is: 21,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,670.76 : 32,676.03 = 15,719.80 : x
  2. Step 2: Convert to fraction form
    23,670.76/32,676.03 = 15,719.80/x
  3. Step 3: Cross multiply
    23,670.76x = 32,676.03 × 15,719.80
  4. Step 4: Simplify right side
    23,670.76x = 513,660,656.39
  5. Step 5: Solve for x
    x = 513,660,656.39/23,670.76
  6. Step 6: Final answer
    x = 21,700.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.