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Finding the Fourth Proportional to 61,592.40, 92,220.12 and 42,832.80

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Solution

The fourth proportional to 61,592.40, 92,220.12 and 42,832.80 is: 64,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,592.40 : 92,220.12 = 42,832.80 : x
  2. Step 2: Convert to fraction form
    61,592.40/92,220.12 = 42,832.80/x
  3. Step 3: Cross multiply
    61,592.40x = 92,220.12 × 42,832.80
  4. Step 4: Simplify right side
    61,592.40x = 3,950,045,955.94
  5. Step 5: Solve for x
    x = 3,950,045,955.94/61,592.40
  6. Step 6: Final answer
    x = 64,132.04

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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.