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Finding the Fourth Proportional to 61,730.67, 85,187.10 and 34,506.62

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Solution

The fourth proportional to 61,730.67, 85,187.10 and 34,506.62 is: 47,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,730.67 : 85,187.10 = 34,506.62 : x
  2. Step 2: Convert to fraction form
    61,730.67/85,187.10 = 34,506.62/x
  3. Step 3: Cross multiply
    61,730.67x = 85,187.10 × 34,506.62
  4. Step 4: Simplify right side
    61,730.67x = 2,939,518,716.07
  5. Step 5: Solve for x
    x = 2,939,518,716.07/61,730.67
  6. Step 6: Final answer
    x = 47,618.45

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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.