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Finding the Fourth Proportional to 52,743.66, 79,115.48 and 15,807.66

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Solution

The fourth proportional to 52,743.66, 79,115.48 and 15,807.66 is: 23,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,743.66 : 79,115.48 = 15,807.66 : x
  2. Step 2: Convert to fraction form
    52,743.66/79,115.48 = 15,807.66/x
  3. Step 3: Cross multiply
    52,743.66x = 79,115.48 × 15,807.66
  4. Step 4: Simplify right side
    52,743.66x = 1,250,630,381.05
  5. Step 5: Solve for x
    x = 1,250,630,381.05/52,743.66
  6. Step 6: Final answer
    x = 23,711.48

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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.