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Finding the Fourth Proportional to 34,488.55, 51,731.79 and 9,530.11

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Solution

The fourth proportional to 34,488.55, 51,731.79 and 9,530.11 is: 14,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,488.55 : 51,731.79 = 9,530.11 : x
  2. Step 2: Convert to fraction form
    34,488.55/51,731.79 = 9,530.11/x
  3. Step 3: Cross multiply
    34,488.55x = 51,731.79 × 9,530.11
  4. Step 4: Simplify right side
    34,488.55x = 493,009,649.20
  5. Step 5: Solve for x
    x = 493,009,649.20/34,488.55
  6. Step 6: Final answer
    x = 14,294.88

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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.