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Finding the Fourth Proportional to 52,671.60, 79,007.22 and 17,611.20

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Solution

The fourth proportional to 52,671.60, 79,007.22 and 17,611.20 is: 26,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671.60 : 79,007.22 = 17,611.20 : x
  2. Step 2: Convert to fraction form
    52,671.60/79,007.22 = 17,611.20/x
  3. Step 3: Cross multiply
    52,671.60x = 79,007.22 × 17,611.20
  4. Step 4: Simplify right side
    52,671.60x = 1,391,411,952.86
  5. Step 5: Solve for x
    x = 1,391,411,952.86/52,671.60
  6. Step 6: Final answer
    x = 26,416.74

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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.