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Finding the Fourth Proportional to 18,271.58, 27,407.43 and 6,585.71

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Solution

The fourth proportional to 18,271.58, 27,407.43 and 6,585.71 is: 9,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.58 : 27,407.43 = 6,585.71 : x
  2. Step 2: Convert to fraction form
    18,271.58/27,407.43 = 6,585.71/x
  3. Step 3: Cross multiply
    18,271.58x = 27,407.43 × 6,585.71
  4. Step 4: Simplify right side
    18,271.58x = 180,497,248.79
  5. Step 5: Solve for x
    x = 180,497,248.79/18,271.58
  6. Step 6: Final answer
    x = 9,878.58

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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.