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Finding the Fourth Proportional to 27,393.52, 37,803.06 and 15,459.40

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Solution

The fourth proportional to 27,393.52, 37,803.06 and 15,459.40 is: 21,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,393.52 : 37,803.06 = 15,459.40 : x
  2. Step 2: Convert to fraction form
    27,393.52/37,803.06 = 15,459.40/x
  3. Step 3: Cross multiply
    27,393.52x = 37,803.06 × 15,459.40
  4. Step 4: Simplify right side
    27,393.52x = 584,412,625.76
  5. Step 5: Solve for x
    x = 584,412,625.76/27,393.52
  6. Step 6: Final answer
    x = 21,333.97

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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.