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Finding the Fourth Proportional to 26,907,504.60, 40,361,256.90 and 25,490,328.60

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Solution

The fourth proportional to 26,907,504.60, 40,361,256.90 and 25,490,328.60 is: 38,235,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907,504.60 : 40,361,256.90 = 25,490,328.60 : x
  2. Step 2: Convert to fraction form
    26,907,504.60/40,361,256.90 = 25,490,328.60/x
  3. Step 3: Cross multiply
    26,907,504.60x = 40,361,256.90 × 25,490,328.60
  4. Step 4: Simplify right side
    26,907,504.60x = 1,028,821,701,090,017.38
  5. Step 5: Solve for x
    x = 1,028,821,701,090,017.38/26,907,504.60
  6. Step 6: Final answer
    x = 38,235,492.90

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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.