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Finding the Fourth Proportional to 68,018.77, 93,892.06 and 45,349.49

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Solution

The fourth proportional to 68,018.77, 93,892.06 and 45,349.49 is: 62,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.77 : 93,892.06 = 45,349.49 : x
  2. Step 2: Convert to fraction form
    68,018.77/93,892.06 = 45,349.49/x
  3. Step 3: Cross multiply
    68,018.77x = 93,892.06 × 45,349.49
  4. Step 4: Simplify right side
    68,018.77x = 4,257,957,327.47
  5. Step 5: Solve for x
    x = 4,257,957,327.47/68,018.77
  6. Step 6: Final answer
    x = 62,599.74

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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.