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Finding the Fourth Proportional to 61,460.70, 92,191.05 and 42,433.80

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Solution

The fourth proportional to 61,460.70, 92,191.05 and 42,433.80 is: 63,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,460.70 : 92,191.05 = 42,433.80 : x
  2. Step 2: Convert to fraction form
    61,460.70/92,191.05 = 42,433.80/x
  3. Step 3: Cross multiply
    61,460.70x = 92,191.05 × 42,433.80
  4. Step 4: Simplify right side
    61,460.70x = 3,912,016,577.49
  5. Step 5: Solve for x
    x = 3,912,016,577.49/61,460.70
  6. Step 6: Final answer
    x = 63,650.70

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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.