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Finding the Fourth Proportional to 27,429.91, 37,852.50 and 16,251.91

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Solution

The fourth proportional to 27,429.91, 37,852.50 and 16,251.91 is: 22,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.91 : 37,852.50 = 16,251.91 : x
  2. Step 2: Convert to fraction form
    27,429.91/37,852.50 = 16,251.91/x
  3. Step 3: Cross multiply
    27,429.91x = 37,852.50 × 16,251.91
  4. Step 4: Simplify right side
    27,429.91x = 615,175,423.28
  5. Step 5: Solve for x
    x = 615,175,423.28/27,429.91
  6. Step 6: Final answer
    x = 22,427.18

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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.