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Finding the Fourth Proportional to 46,612.80, 69,755.04 and 38,191.68

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Solution

The fourth proportional to 46,612.80, 69,755.04 and 38,191.68 is: 57,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,612.80 : 69,755.04 = 38,191.68 : x
  2. Step 2: Convert to fraction form
    46,612.80/69,755.04 = 38,191.68/x
  3. Step 3: Cross multiply
    46,612.80x = 69,755.04 × 38,191.68
  4. Step 4: Simplify right side
    46,612.80x = 2,664,062,166.07
  5. Step 5: Solve for x
    x = 2,664,062,166.07/46,612.80
  6. Step 6: Final answer
    x = 57,153.02

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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.