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Finding the Fourth Proportional to 61,409.40, 92,114.10 and 35,116.80

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Solution

The fourth proportional to 61,409.40, 92,114.10 and 35,116.80 is: 52,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,409.40 : 92,114.10 = 35,116.80 : x
  2. Step 2: Convert to fraction form
    61,409.40/92,114.10 = 35,116.80/x
  3. Step 3: Cross multiply
    61,409.40x = 92,114.10 × 35,116.80
  4. Step 4: Simplify right side
    61,409.40x = 3,234,752,426.88
  5. Step 5: Solve for x
    x = 3,234,752,426.88/61,409.40
  6. Step 6: Final answer
    x = 52,675.20

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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.