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Finding the Fourth Proportional to 44,382.60, 66,476.70 and 39,457.80

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Solution

The fourth proportional to 44,382.60, 66,476.70 and 39,457.80 is: 59,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,382.60 : 66,476.70 = 39,457.80 : x
  2. Step 2: Convert to fraction form
    44,382.60/66,476.70 = 39,457.80/x
  3. Step 3: Cross multiply
    44,382.60x = 66,476.70 × 39,457.80
  4. Step 4: Simplify right side
    44,382.60x = 2,623,024,333.26
  5. Step 5: Solve for x
    x = 2,623,024,333.26/44,382.60
  6. Step 6: Final answer
    x = 59,100.29

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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.