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Finding the Fourth Proportional to 46,925, 64,755.70 and 25,704.20

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Solution

The fourth proportional to 46,925, 64,755.70 and 25,704.20 is: 35,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,925 : 64,755.70 = 25,704.20 : x
  2. Step 2: Convert to fraction form
    46,925/64,755.70 = 25,704.20/x
  3. Step 3: Cross multiply
    46,925x = 64,755.70 × 25,704.20
  4. Step 4: Simplify right side
    46,925x = 1,664,493,463.94
  5. Step 5: Solve for x
    x = 1,664,493,463.94/46,925
  6. Step 6: Final answer
    x = 35,471.36

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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.