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Finding the Fourth Proportional to 12,541, 18,820.16 and 4,333

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Solution

The fourth proportional to 12,541, 18,820.16 and 4,333 is: 6,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541 : 18,820.16 = 4,333 : x
  2. Step 2: Convert to fraction form
    12,541/18,820.16 = 4,333/x
  3. Step 3: Cross multiply
    12,541x = 18,820.16 × 4,333
  4. Step 4: Simplify right side
    12,541x = 81,547,753.28
  5. Step 5: Solve for x
    x = 81,547,753.28/12,541
  6. Step 6: Final answer
    x = 6,502.49

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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.