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Finding the Fourth Proportional to 7,448.75, 10,282.49 and 4,932.08

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Solution

The fourth proportional to 7,448.75, 10,282.49 and 4,932.08 is: 6,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.75 : 10,282.49 = 4,932.08 : x
  2. Step 2: Convert to fraction form
    7,448.75/10,282.49 = 4,932.08/x
  3. Step 3: Cross multiply
    7,448.75x = 10,282.49 × 4,932.08
  4. Step 4: Simplify right side
    7,448.75x = 50,714,101.32
  5. Step 5: Solve for x
    x = 50,714,101.32/7,448.75
  6. Step 6: Final answer
    x = 6,808.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.