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Finding the Fourth Proportional to 16,860.40, 24,310.08 and 16,860.40

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Solution

The fourth proportional to 16,860.40, 24,310.08 and 16,860.40 is: 24,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.40 : 24,310.08 = 16,860.40 : x
  2. Step 2: Convert to fraction form
    16,860.40/24,310.08 = 16,860.40/x
  3. Step 3: Cross multiply
    16,860.40x = 24,310.08 × 16,860.40
  4. Step 4: Simplify right side
    16,860.40x = 409,877,672.83
  5. Step 5: Solve for x
    x = 409,877,672.83/16,860.40
  6. Step 6: Final answer
    x = 24,310.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.