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Finding the Fourth Proportional to 16,881.60, 25,327.98 and 7,528.08

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Solution

The fourth proportional to 16,881.60, 25,327.98 and 7,528.08 is: 11,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.60 : 25,327.98 = 7,528.08 : x
  2. Step 2: Convert to fraction form
    16,881.60/25,327.98 = 7,528.08/x
  3. Step 3: Cross multiply
    16,881.60x = 25,327.98 × 7,528.08
  4. Step 4: Simplify right side
    16,881.60x = 190,671,059.68
  5. Step 5: Solve for x
    x = 190,671,059.68/16,881.60
  6. Step 6: Final answer
    x = 11,294.61

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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.