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Finding the Fourth Proportional to 53,986.68, 74,592.99 and 38,849.40

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Solution

The fourth proportional to 53,986.68, 74,592.99 and 38,849.40 is: 53,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.68 : 74,592.99 = 38,849.40 : x
  2. Step 2: Convert to fraction form
    53,986.68/74,592.99 = 38,849.40/x
  3. Step 3: Cross multiply
    53,986.68x = 74,592.99 × 38,849.40
  4. Step 4: Simplify right side
    53,986.68x = 2,897,892,905.71
  5. Step 5: Solve for x
    x = 2,897,892,905.71/53,986.68
  6. Step 6: Final answer
    x = 53,677.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.