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Finding the Fourth Proportional to 21,495.34, 32,240.58 and 6,703

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Solution

The fourth proportional to 21,495.34, 32,240.58 and 6,703 is: 10,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.34 : 32,240.58 = 6,703 : x
  2. Step 2: Convert to fraction form
    21,495.34/32,240.58 = 6,703/x
  3. Step 3: Cross multiply
    21,495.34x = 32,240.58 × 6,703
  4. Step 4: Simplify right side
    21,495.34x = 216,108,607.74
  5. Step 5: Solve for x
    x = 216,108,607.74/21,495.34
  6. Step 6: Final answer
    x = 10,053.74

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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.