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Finding the Fourth Proportional to 27,423.58, 37,846.02 and 15,487.42

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Solution

The fourth proportional to 27,423.58, 37,846.02 and 15,487.42 is: 21,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.58 : 37,846.02 = 15,487.42 : x
  2. Step 2: Convert to fraction form
    27,423.58/37,846.02 = 15,487.42/x
  3. Step 3: Cross multiply
    27,423.58x = 37,846.02 × 15,487.42
  4. Step 4: Simplify right side
    27,423.58x = 586,137,207.07
  5. Step 5: Solve for x
    x = 586,137,207.07/27,423.58
  6. Step 6: Final answer
    x = 21,373.48

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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.