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Finding the Fourth Proportional to 19,650.04, 29,482.74 and 7,339

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Solution

The fourth proportional to 19,650.04, 29,482.74 and 7,339 is: 11,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.04 : 29,482.74 = 7,339 : x
  2. Step 2: Convert to fraction form
    19,650.04/29,482.74 = 7,339/x
  3. Step 3: Cross multiply
    19,650.04x = 29,482.74 × 7,339
  4. Step 4: Simplify right side
    19,650.04x = 216,373,828.86
  5. Step 5: Solve for x
    x = 216,373,828.86/19,650.04
  6. Step 6: Final answer
    x = 11,011.37

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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.