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Finding the Fourth Proportional to 51,303.11, 76,979.03 and 35,532.41

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Solution

The fourth proportional to 51,303.11, 76,979.03 and 35,532.41 is: 53,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.11 : 76,979.03 = 35,532.41 : x
  2. Step 2: Convert to fraction form
    51,303.11/76,979.03 = 35,532.41/x
  3. Step 3: Cross multiply
    51,303.11x = 76,979.03 × 35,532.41
  4. Step 4: Simplify right side
    51,303.11x = 2,735,249,892.81
  5. Step 5: Solve for x
    x = 2,735,249,892.81/51,303.11
  6. Step 6: Final answer
    x = 53,315.48

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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.