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Finding the Fourth Proportional to 16,258.64, 24,401.64 and 12,570.80

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Solution

The fourth proportional to 16,258.64, 24,401.64 and 12,570.80 is: 18,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,258.64 : 24,401.64 = 12,570.80 : x
  2. Step 2: Convert to fraction form
    16,258.64/24,401.64 = 12,570.80/x
  3. Step 3: Cross multiply
    16,258.64x = 24,401.64 × 12,570.80
  4. Step 4: Simplify right side
    16,258.64x = 306,748,136.11
  5. Step 5: Solve for x
    x = 306,748,136.11/16,258.64
  6. Step 6: Final answer
    x = 18,866.78

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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.