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Finding the Fourth Proportional to 61,623.62, 92,435.42 and 20,070.62

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Solution

The fourth proportional to 61,623.62, 92,435.42 and 20,070.62 is: 30,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,623.62 : 92,435.42 = 20,070.62 : x
  2. Step 2: Convert to fraction form
    61,623.62/92,435.42 = 20,070.62/x
  3. Step 3: Cross multiply
    61,623.62x = 92,435.42 × 20,070.62
  4. Step 4: Simplify right side
    61,623.62x = 1,855,235,777.36
  5. Step 5: Solve for x
    x = 1,855,235,777.36/61,623.62
  6. Step 6: Final answer
    x = 30,105.92

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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.