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Finding the Fourth Proportional to 23,459.60, 32,372.79 and 12,848.60

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Solution

The fourth proportional to 23,459.60, 32,372.79 and 12,848.60 is: 17,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.60 : 32,372.79 = 12,848.60 : x
  2. Step 2: Convert to fraction form
    23,459.60/32,372.79 = 12,848.60/x
  3. Step 3: Cross multiply
    23,459.60x = 32,372.79 × 12,848.60
  4. Step 4: Simplify right side
    23,459.60x = 415,945,029.59
  5. Step 5: Solve for x
    x = 415,945,029.59/23,459.60
  6. Step 6: Final answer
    x = 17,730.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.