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Finding the Fourth Proportional to 15,796,253.60, 23,694,380.40 and 13,103,619.20

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Solution

The fourth proportional to 15,796,253.60, 23,694,380.40 and 13,103,619.20 is: 19,655,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796,253.60 : 23,694,380.40 = 13,103,619.20 : x
  2. Step 2: Convert to fraction form
    15,796,253.60/23,694,380.40 = 13,103,619.20/x
  3. Step 3: Cross multiply
    15,796,253.60x = 23,694,380.40 × 13,103,619.20
  4. Step 4: Simplify right side
    15,796,253.60x = 310,482,137,941,543.62
  5. Step 5: Solve for x
    x = 310,482,137,941,543.62/15,796,253.60
  6. Step 6: Final answer
    x = 19,655,428.80

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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.