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Finding the Fourth Proportional to 40,802.60, 61,087.10 and 25,114.60

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Solution

The fourth proportional to 40,802.60, 61,087.10 and 25,114.60 is: 37,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,802.60 : 61,087.10 = 25,114.60 : x
  2. Step 2: Convert to fraction form
    40,802.60/61,087.10 = 25,114.60/x
  3. Step 3: Cross multiply
    40,802.60x = 61,087.10 × 25,114.60
  4. Step 4: Simplify right side
    40,802.60x = 1,534,178,081.66
  5. Step 5: Solve for x
    x = 1,534,178,081.66/40,802.60
  6. Step 6: Final answer
    x = 37,600.01

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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.