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Finding the Fourth Proportional to 11,645.52, 17,468.19 and 2,880.47

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Solution

The fourth proportional to 11,645.52, 17,468.19 and 2,880.47 is: 4,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.52 : 17,468.19 = 2,880.47 : x
  2. Step 2: Convert to fraction form
    11,645.52/17,468.19 = 2,880.47/x
  3. Step 3: Cross multiply
    11,645.52x = 17,468.19 × 2,880.47
  4. Step 4: Simplify right side
    11,645.52x = 50,316,509.91
  5. Step 5: Solve for x
    x = 50,316,509.91/11,645.52
  6. Step 6: Final answer
    x = 4,320.68

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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.