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Finding the Fourth Proportional to 68,018.88, 93,864.84 and 37,803.72

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Solution

The fourth proportional to 68,018.88, 93,864.84 and 37,803.72 is: 52,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.88 : 93,864.84 = 37,803.72 : x
  2. Step 2: Convert to fraction form
    68,018.88/93,864.84 = 37,803.72/x
  3. Step 3: Cross multiply
    68,018.88x = 93,864.84 × 37,803.72
  4. Step 4: Simplify right side
    68,018.88x = 3,548,440,129.20
  5. Step 5: Solve for x
    x = 3,548,440,129.20/68,018.88
  6. Step 6: Final answer
    x = 52,168.46

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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.