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Finding the Fourth Proportional to 27,378.88, 37,782.87 and 14,803.62

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Solution

The fourth proportional to 27,378.88, 37,782.87 and 14,803.62 is: 20,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.88 : 37,782.87 = 14,803.62 : x
  2. Step 2: Convert to fraction form
    27,378.88/37,782.87 = 14,803.62/x
  3. Step 3: Cross multiply
    27,378.88x = 37,782.87 × 14,803.62
  4. Step 4: Simplify right side
    27,378.88x = 559,323,249.99
  5. Step 5: Solve for x
    x = 559,323,249.99/27,378.88
  6. Step 6: Final answer
    x = 20,429.00

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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.