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Finding the Fourth Proportional to 52,597.96, 78,879.90 and 17,528.20

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Solution

The fourth proportional to 52,597.96, 78,879.90 and 17,528.20 is: 26,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,597.96 : 78,879.90 = 17,528.20 : x
  2. Step 2: Convert to fraction form
    52,597.96/78,879.90 = 17,528.20/x
  3. Step 3: Cross multiply
    52,597.96x = 78,879.90 × 17,528.20
  4. Step 4: Simplify right side
    52,597.96x = 1,382,622,663.18
  5. Step 5: Solve for x
    x = 1,382,622,663.18/52,597.96
  6. Step 6: Final answer
    x = 26,286.62

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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.