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Finding the Fourth Proportional to 15,662.64, 23,483.48 and 8,259.28

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Solution

The fourth proportional to 15,662.64, 23,483.48 and 8,259.28 is: 12,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662.64 : 23,483.48 = 8,259.28 : x
  2. Step 2: Convert to fraction form
    15,662.64/23,483.48 = 8,259.28/x
  3. Step 3: Cross multiply
    15,662.64x = 23,483.48 × 8,259.28
  4. Step 4: Simplify right side
    15,662.64x = 193,956,636.69
  5. Step 5: Solve for x
    x = 193,956,636.69/15,662.64
  6. Step 6: Final answer
    x = 12,383.39

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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.