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Finding the Fourth Proportional to 16,327.60, 24,491.40 and 9,415.60

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Solution

The fourth proportional to 16,327.60, 24,491.40 and 9,415.60 is: 14,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,327.60 : 24,491.40 = 9,415.60 : x
  2. Step 2: Convert to fraction form
    16,327.60/24,491.40 = 9,415.60/x
  3. Step 3: Cross multiply
    16,327.60x = 24,491.40 × 9,415.60
  4. Step 4: Simplify right side
    16,327.60x = 230,601,225.84
  5. Step 5: Solve for x
    x = 230,601,225.84/16,327.60
  6. Step 6: Final answer
    x = 14,123.40

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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.