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Finding the Fourth Proportional to 84,798.96, 117,021.96 and 47,073.12

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Solution

The fourth proportional to 84,798.96, 117,021.96 and 47,073.12 is: 64,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,798.96 : 117,021.96 = 47,073.12 : x
  2. Step 2: Convert to fraction form
    84,798.96/117,021.96 = 47,073.12/x
  3. Step 3: Cross multiply
    84,798.96x = 117,021.96 × 47,073.12
  4. Step 4: Simplify right side
    84,798.96x = 5,508,588,765.72
  5. Step 5: Solve for x
    x = 5,508,588,765.72/84,798.96
  6. Step 6: Final answer
    x = 64,960.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.