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Finding the Fourth Proportional to 40,916,969.06, 61,368,610.71 and 15,003,915.62

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Solution

The fourth proportional to 40,916,969.06, 61,368,610.71 and 15,003,915.62 is: 22,503,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916,969.06 : 61,368,610.71 = 15,003,915.62 : x
  2. Step 2: Convert to fraction form
    40,916,969.06/61,368,610.71 = 15,003,915.62/x
  3. Step 3: Cross multiply
    40,916,969.06x = 61,368,610.71 × 15,003,915.62
  4. Step 4: Simplify right side
    40,916,969.06x = 920,769,456,809,468.25
  5. Step 5: Solve for x
    x = 920,769,456,809,468.25/40,916,969.06
  6. Step 6: Final answer
    x = 22,503,364.20

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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.