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Finding the Fourth Proportional to 10,262.12, 15,394.80 and 3,335

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Solution

The fourth proportional to 10,262.12, 15,394.80 and 3,335 is: 5,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.12 : 15,394.80 = 3,335 : x
  2. Step 2: Convert to fraction form
    10,262.12/15,394.80 = 3,335/x
  3. Step 3: Cross multiply
    10,262.12x = 15,394.80 × 3,335
  4. Step 4: Simplify right side
    10,262.12x = 51,341,658
  5. Step 5: Solve for x
    x = 51,341,658/10,262.12
  6. Step 6: Final answer
    x = 5,003.03

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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.