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Finding the Fourth Proportional to 62,302.59, 85,985.82 and 35,439.93

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Solution

The fourth proportional to 62,302.59, 85,985.82 and 35,439.93 is: 48,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,302.59 : 85,985.82 = 35,439.93 : x
  2. Step 2: Convert to fraction form
    62,302.59/85,985.82 = 35,439.93/x
  3. Step 3: Cross multiply
    62,302.59x = 85,985.82 × 35,439.93
  4. Step 4: Simplify right side
    62,302.59x = 3,047,331,441.79
  5. Step 5: Solve for x
    x = 3,047,331,441.79/62,302.59
  6. Step 6: Final answer
    x = 48,911.79

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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.