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Finding the Fourth Proportional to 6,528.65, 9,009.54 and 3,544.48

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Solution

The fourth proportional to 6,528.65, 9,009.54 and 3,544.48 is: 4,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.65 : 9,009.54 = 3,544.48 : x
  2. Step 2: Convert to fraction form
    6,528.65/9,009.54 = 3,544.48/x
  3. Step 3: Cross multiply
    6,528.65x = 9,009.54 × 3,544.48
  4. Step 4: Simplify right side
    6,528.65x = 31,934,116.62
  5. Step 5: Solve for x
    x = 31,934,116.62/6,528.65
  6. Step 6: Final answer
    x = 4,891.39

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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.