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Finding the Fourth Proportional to 46,755.90, 70,123.77 and 13,469.76

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Solution

The fourth proportional to 46,755.90, 70,123.77 and 13,469.76 is: 20,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,755.90 : 70,123.77 = 13,469.76 : x
  2. Step 2: Convert to fraction form
    46,755.90/70,123.77 = 13,469.76/x
  3. Step 3: Cross multiply
    46,755.90x = 70,123.77 × 13,469.76
  4. Step 4: Simplify right side
    46,755.90x = 944,550,352.20
  5. Step 5: Solve for x
    x = 944,550,352.20/46,755.90
  6. Step 6: Final answer
    x = 20,201.74

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1.5x scale

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.