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Finding the Fourth Proportional to 27,393.46, 37,803 and 14,818.22

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Solution

The fourth proportional to 27,393.46, 37,803 and 14,818.22 is: 20,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,393.46 : 37,803 = 14,818.22 : x
  2. Step 2: Convert to fraction form
    27,393.46/37,803 = 14,818.22/x
  3. Step 3: Cross multiply
    27,393.46x = 37,803 × 14,818.22
  4. Step 4: Simplify right side
    27,393.46x = 560,173,170.66
  5. Step 5: Solve for x
    x = 560,173,170.66/27,393.46
  6. Step 6: Final answer
    x = 20,449.16

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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.