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Finding the Fourth Proportional to 16,404.40, 24,606.60 and 15,432.40

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Solution

The fourth proportional to 16,404.40, 24,606.60 and 15,432.40 is: 23,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404.40 : 24,606.60 = 15,432.40 : x
  2. Step 2: Convert to fraction form
    16,404.40/24,606.60 = 15,432.40/x
  3. Step 3: Cross multiply
    16,404.40x = 24,606.60 × 15,432.40
  4. Step 4: Simplify right side
    16,404.40x = 379,738,893.84
  5. Step 5: Solve for x
    x = 379,738,893.84/16,404.40
  6. Step 6: Final answer
    x = 23,148.60

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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.