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Finding the Fourth Proportional to 28,896,563.60, 43,344,845.40 and 26,251,168.40

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Solution

The fourth proportional to 28,896,563.60, 43,344,845.40 and 26,251,168.40 is: 39,376,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896,563.60 : 43,344,845.40 = 26,251,168.40 : x
  2. Step 2: Convert to fraction form
    28,896,563.60/43,344,845.40 = 26,251,168.40/x
  3. Step 3: Cross multiply
    28,896,563.60x = 43,344,845.40 × 26,251,168.40
  4. Step 4: Simplify right side
    28,896,563.60x = 1,137,852,835,867,365.25
  5. Step 5: Solve for x
    x = 1,137,852,835,867,365.25/28,896,563.60
  6. Step 6: Final answer
    x = 39,376,752.60

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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.