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Finding the Fourth Proportional to 52,711.57, 79,055.94 and 16,690.87

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Solution

The fourth proportional to 52,711.57, 79,055.94 and 16,690.87 is: 25,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,711.57 : 79,055.94 = 16,690.87 : x
  2. Step 2: Convert to fraction form
    52,711.57/79,055.94 = 16,690.87/x
  3. Step 3: Cross multiply
    52,711.57x = 79,055.94 × 16,690.87
  4. Step 4: Simplify right side
    52,711.57x = 1,319,512,417.27
  5. Step 5: Solve for x
    x = 1,319,512,417.27/52,711.57
  6. Step 6: Final answer
    x = 25,032.69

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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.