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Finding the Fourth Proportional to 41,125.80, 61,688.70 and 29,461.80

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Solution

The fourth proportional to 41,125.80, 61,688.70 and 29,461.80 is: 44,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,125.80 : 61,688.70 = 29,461.80 : x
  2. Step 2: Convert to fraction form
    41,125.80/61,688.70 = 29,461.80/x
  3. Step 3: Cross multiply
    41,125.80x = 61,688.70 × 29,461.80
  4. Step 4: Simplify right side
    41,125.80x = 1,817,460,141.66
  5. Step 5: Solve for x
    x = 1,817,460,141.66/41,125.80
  6. Step 6: Final answer
    x = 44,192.70

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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.