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Finding the Fourth Proportional to 16,803,648.40, 25,205,472.60 and 8,288,064.40

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Solution

The fourth proportional to 16,803,648.40, 25,205,472.60 and 8,288,064.40 is: 12,432,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803,648.40 : 25,205,472.60 = 8,288,064.40 : x
  2. Step 2: Convert to fraction form
    16,803,648.40/25,205,472.60 = 8,288,064.40/x
  3. Step 3: Cross multiply
    16,803,648.40x = 25,205,472.60 × 8,288,064.40
  4. Step 4: Simplify right side
    16,803,648.40x = 208,904,580,141,235.47
  5. Step 5: Solve for x
    x = 208,904,580,141,235.47/16,803,648.40
  6. Step 6: Final answer
    x = 12,432,096.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.