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Finding the Fourth Proportional to 8,904.05, 13,352.02 and 4,742.99

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Solution

The fourth proportional to 8,904.05, 13,352.02 and 4,742.99 is: 7,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.05 : 13,352.02 = 4,742.99 : x
  2. Step 2: Convert to fraction form
    8,904.05/13,352.02 = 4,742.99/x
  3. Step 3: Cross multiply
    8,904.05x = 13,352.02 × 4,742.99
  4. Step 4: Simplify right side
    8,904.05x = 63,328,497.34
  5. Step 5: Solve for x
    x = 63,328,497.34/8,904.05
  6. Step 6: Final answer
    x = 7,112.32

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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.