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Finding the Fourth Proportional to 68,693.63, 94,792.61 and 38,471.99

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Solution

The fourth proportional to 68,693.63, 94,792.61 and 38,471.99 is: 53,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,693.63 : 94,792.61 = 38,471.99 : x
  2. Step 2: Convert to fraction form
    68,693.63/94,792.61 = 38,471.99/x
  3. Step 3: Cross multiply
    68,693.63x = 94,792.61 × 38,471.99
  4. Step 4: Simplify right side
    68,693.63x = 3,646,860,151.63
  5. Step 5: Solve for x
    x = 3,646,860,151.63/68,693.63
  6. Step 6: Final answer
    x = 53,088.77

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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.