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Finding the Fourth Proportional to 79,013.46, 109,029.65 and 46,749.07

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Solution

The fourth proportional to 79,013.46, 109,029.65 and 46,749.07 is: 64,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.46 : 109,029.65 = 46,749.07 : x
  2. Step 2: Convert to fraction form
    79,013.46/109,029.65 = 46,749.07/x
  3. Step 3: Cross multiply
    79,013.46x = 109,029.65 × 46,749.07
  4. Step 4: Simplify right side
    79,013.46x = 5,097,034,029.18
  5. Step 5: Solve for x
    x = 5,097,034,029.18/79,013.46
  6. Step 6: Final answer
    x = 64,508.43

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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.