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Finding the Fourth Proportional to 52,671.98, 72,669.53 and 29,994.90

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Solution

The fourth proportional to 52,671.98, 72,669.53 and 29,994.90 is: 41,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671.98 : 72,669.53 = 29,994.90 : x
  2. Step 2: Convert to fraction form
    52,671.98/72,669.53 = 29,994.90/x
  3. Step 3: Cross multiply
    52,671.98x = 72,669.53 × 29,994.90
  4. Step 4: Simplify right side
    52,671.98x = 2,179,714,772.07
  5. Step 5: Solve for x
    x = 2,179,714,772.07/52,671.98
  6. Step 6: Final answer
    x = 41,382.81

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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.