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Finding the Fourth Proportional to 54,702.32, 75,503.25 and 35,629.63

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Solution

The fourth proportional to 54,702.32, 75,503.25 and 35,629.63 is: 49,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,702.32 : 75,503.25 = 35,629.63 : x
  2. Step 2: Convert to fraction form
    54,702.32/75,503.25 = 35,629.63/x
  3. Step 3: Cross multiply
    54,702.32x = 75,503.25 × 35,629.63
  4. Step 4: Simplify right side
    54,702.32x = 2,690,152,672.54
  5. Step 5: Solve for x
    x = 2,690,152,672.54/54,702.32
  6. Step 6: Final answer
    x = 49,178.04

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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.