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Finding the Fourth Proportional to 61,980.12, 92,971.22 and 32,455.62

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Solution

The fourth proportional to 61,980.12, 92,971.22 and 32,455.62 is: 48,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.12 : 92,971.22 = 32,455.62 : x
  2. Step 2: Convert to fraction form
    61,980.12/92,971.22 = 32,455.62/x
  3. Step 3: Cross multiply
    61,980.12x = 92,971.22 × 32,455.62
  4. Step 4: Simplify right side
    61,980.12x = 3,017,438,424.98
  5. Step 5: Solve for x
    x = 3,017,438,424.98/61,980.12
  6. Step 6: Final answer
    x = 48,683.97

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1.5x scale

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.