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Finding the Fourth Proportional to 47,755.60, 65,903.88 and 26,535.76

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Solution

The fourth proportional to 47,755.60, 65,903.88 and 26,535.76 is: 36,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,755.60 : 65,903.88 = 26,535.76 : x
  2. Step 2: Convert to fraction form
    47,755.60/65,903.88 = 26,535.76/x
  3. Step 3: Cross multiply
    47,755.60x = 65,903.88 × 26,535.76
  4. Step 4: Simplify right side
    47,755.60x = 1,748,809,542.75
  5. Step 5: Solve for x
    x = 1,748,809,542.75/47,755.60
  6. Step 6: Final answer
    x = 36,619.99

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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.