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Finding the Fourth Proportional to 12,598.96, 18,892.24 and 7,335.76

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Solution

The fourth proportional to 12,598.96, 18,892.24 and 7,335.76 is: 11,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598.96 : 18,892.24 = 7,335.76 : x
  2. Step 2: Convert to fraction form
    12,598.96/18,892.24 = 7,335.76/x
  3. Step 3: Cross multiply
    12,598.96x = 18,892.24 × 7,335.76
  4. Step 4: Simplify right side
    12,598.96x = 138,588,938.50
  5. Step 5: Solve for x
    x = 138,588,938.50/12,598.96
  6. Step 6: Final answer
    x = 11,000.03

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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.