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Finding the Fourth Proportional to 48,528.89, 72,792.69 and 16,938.89

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Solution

The fourth proportional to 48,528.89, 72,792.69 and 16,938.89 is: 25,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,528.89 : 72,792.69 = 16,938.89 : x
  2. Step 2: Convert to fraction form
    48,528.89/72,792.69 = 16,938.89/x
  3. Step 3: Cross multiply
    48,528.89x = 72,792.69 × 16,938.89
  4. Step 4: Simplify right side
    48,528.89x = 1,233,027,368.71
  5. Step 5: Solve for x
    x = 1,233,027,368.71/48,528.89
  6. Step 6: Final answer
    x = 25,408.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.