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Finding the Fourth Proportional to 10,398.67, 15,598.01 and 2,607.48

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Solution

The fourth proportional to 10,398.67, 15,598.01 and 2,607.48 is: 3,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.67 : 15,598.01 = 2,607.48 : x
  2. Step 2: Convert to fraction form
    10,398.67/15,598.01 = 2,607.48/x
  3. Step 3: Cross multiply
    10,398.67x = 15,598.01 × 2,607.48
  4. Step 4: Simplify right side
    10,398.67x = 40,671,505.63
  5. Step 5: Solve for x
    x = 40,671,505.63/10,398.67
  6. Step 6: Final answer
    x = 3,911.22

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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.