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Finding the Fourth Proportional to 10,710.66, 16,059.90 and 4,860.02

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Solution

The fourth proportional to 10,710.66, 16,059.90 and 4,860.02 is: 7,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.66 : 16,059.90 = 4,860.02 : x
  2. Step 2: Convert to fraction form
    10,710.66/16,059.90 = 4,860.02/x
  3. Step 3: Cross multiply
    10,710.66x = 16,059.90 × 4,860.02
  4. Step 4: Simplify right side
    10,710.66x = 78,051,435.20
  5. Step 5: Solve for x
    x = 78,051,435.20/10,710.66
  6. Step 6: Final answer
    x = 7,287.27

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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.