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Finding the Fourth Proportional to 16,922,877.60, 25,384,316.40 and 16,185,712.80

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Solution

The fourth proportional to 16,922,877.60, 25,384,316.40 and 16,185,712.80 is: 24,278,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922,877.60 : 25,384,316.40 = 16,185,712.80 : x
  2. Step 2: Convert to fraction form
    16,922,877.60/25,384,316.40 = 16,185,712.80/x
  3. Step 3: Cross multiply
    16,922,877.60x = 25,384,316.40 × 16,185,712.80
  4. Step 4: Simplify right side
    16,922,877.60x = 410,863,254,874,729.94
  5. Step 5: Solve for x
    x = 410,863,254,874,729.94/16,922,877.60
  6. Step 6: Final answer
    x = 24,278,569.20

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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.