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Finding the Fourth Proportional to 52,671.48, 72,668.84 and 29,994.40

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Solution

The fourth proportional to 52,671.48, 72,668.84 and 29,994.40 is: 41,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671.48 : 72,668.84 = 29,994.40 : x
  2. Step 2: Convert to fraction form
    52,671.48/72,668.84 = 29,994.40/x
  3. Step 3: Cross multiply
    52,671.48x = 72,668.84 × 29,994.40
  4. Step 4: Simplify right side
    52,671.48x = 2,179,657,741.18
  5. Step 5: Solve for x
    x = 2,179,657,741.18/52,671.48
  6. Step 6: Final answer
    x = 41,382.12

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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.