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Finding the Fourth Proportional to 6,410.80, 9,570.28 and 5,953.96

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Solution

The fourth proportional to 6,410.80, 9,570.28 and 5,953.96 is: 8,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.80 : 9,570.28 = 5,953.96 : x
  2. Step 2: Convert to fraction form
    6,410.80/9,570.28 = 5,953.96/x
  3. Step 3: Cross multiply
    6,410.80x = 9,570.28 × 5,953.96
  4. Step 4: Simplify right side
    6,410.80x = 56,981,064.31
  5. Step 5: Solve for x
    x = 56,981,064.31/6,410.80
  6. Step 6: Final answer
    x = 8,888.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.