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Finding the Fourth Proportional to 9,841.28, 13,582.08 and 5,593.28

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Solution

The fourth proportional to 9,841.28, 13,582.08 and 5,593.28 is: 7,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.28 : 13,582.08 = 5,593.28 : x
  2. Step 2: Convert to fraction form
    9,841.28/13,582.08 = 5,593.28/x
  3. Step 3: Cross multiply
    9,841.28x = 13,582.08 × 5,593.28
  4. Step 4: Simplify right side
    9,841.28x = 75,968,376.42
  5. Step 5: Solve for x
    x = 75,968,376.42/9,841.28
  6. Step 6: Final answer
    x = 7,719.36

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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.