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Finding the Fourth Proportional to 58,107.06, 80,235 and 47,353.51

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Solution

The fourth proportional to 58,107.06, 80,235 and 47,353.51 is: 65,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,107.06 : 80,235 = 47,353.51 : x
  2. Step 2: Convert to fraction form
    58,107.06/80,235 = 47,353.51/x
  3. Step 3: Cross multiply
    58,107.06x = 80,235 × 47,353.51
  4. Step 4: Simplify right side
    58,107.06x = 3,799,408,874.85
  5. Step 5: Solve for x
    x = 3,799,408,874.85/58,107.06
  6. Step 6: Final answer
    x = 65,386.36

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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.