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Finding the Fourth Proportional to 13,083.28, 19,582.02 and 7,151.08

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Solution

The fourth proportional to 13,083.28, 19,582.02 and 7,151.08 is: 10,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.28 : 19,582.02 = 7,151.08 : x
  2. Step 2: Convert to fraction form
    13,083.28/19,582.02 = 7,151.08/x
  3. Step 3: Cross multiply
    13,083.28x = 19,582.02 × 7,151.08
  4. Step 4: Simplify right side
    13,083.28x = 140,032,591.58
  5. Step 5: Solve for x
    x = 140,032,591.58/13,083.28
  6. Step 6: Final answer
    x = 10,703.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.