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Finding the Fourth Proportional to 61,421.80, 92,181.30 and 23,999.80

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Solution

The fourth proportional to 61,421.80, 92,181.30 and 23,999.80 is: 36,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,421.80 : 92,181.30 = 23,999.80 : x
  2. Step 2: Convert to fraction form
    61,421.80/92,181.30 = 23,999.80/x
  3. Step 3: Cross multiply
    61,421.80x = 92,181.30 × 23,999.80
  4. Step 4: Simplify right side
    61,421.80x = 2,212,332,763.74
  5. Step 5: Solve for x
    x = 2,212,332,763.74/61,421.80
  6. Step 6: Final answer
    x = 36,018.69

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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.