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Finding the Fourth Proportional to 18,565.68, 27,841.64 and 7,468.58

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Solution

The fourth proportional to 18,565.68, 27,841.64 and 7,468.58 is: 11,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.68 : 27,841.64 = 7,468.58 : x
  2. Step 2: Convert to fraction form
    18,565.68/27,841.64 = 7,468.58/x
  3. Step 3: Cross multiply
    18,565.68x = 27,841.64 × 7,468.58
  4. Step 4: Simplify right side
    18,565.68x = 207,937,339.12
  5. Step 5: Solve for x
    x = 207,937,339.12/18,565.68
  6. Step 6: Final answer
    x = 11,200.09

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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.