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Finding the Fourth Proportional to 7,055.76, 9,732.04 and 6,824.08

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Solution

The fourth proportional to 7,055.76, 9,732.04 and 6,824.08 is: 9,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.76 : 9,732.04 = 6,824.08 : x
  2. Step 2: Convert to fraction form
    7,055.76/9,732.04 = 6,824.08/x
  3. Step 3: Cross multiply
    7,055.76x = 9,732.04 × 6,824.08
  4. Step 4: Simplify right side
    7,055.76x = 66,412,219.52
  5. Step 5: Solve for x
    x = 66,412,219.52/7,055.76
  6. Step 6: Final answer
    x = 9,412.48

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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.