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Finding the Fourth Proportional to 53,167.48, 79,761.71 and 15,217.11

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Solution

The fourth proportional to 53,167.48, 79,761.71 and 15,217.11 is: 22,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,167.48 : 79,761.71 = 15,217.11 : x
  2. Step 2: Convert to fraction form
    53,167.48/79,761.71 = 15,217.11/x
  3. Step 3: Cross multiply
    53,167.48x = 79,761.71 × 15,217.11
  4. Step 4: Simplify right side
    53,167.48x = 1,213,742,714.86
  5. Step 5: Solve for x
    x = 1,213,742,714.86/53,167.48
  6. Step 6: Final answer
    x = 22,828.67

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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.