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Finding the Fourth Proportional to 16,386,912.15, 24,580,368.23 and 16,386,912.15

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Solution

The fourth proportional to 16,386,912.15, 24,580,368.23 and 16,386,912.15 is: 24,580,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386,912.15 : 24,580,368.23 = 16,386,912.15 : x
  2. Step 2: Convert to fraction form
    16,386,912.15/24,580,368.23 = 16,386,912.15/x
  3. Step 3: Cross multiply
    16,386,912.15x = 24,580,368.23 × 16,386,912.15
  4. Step 4: Simplify right side
    16,386,912.15x = 402,796,334,717,726.44
  5. Step 5: Solve for x
    x = 402,796,334,717,726.44/16,386,912.15
  6. Step 6: Final answer
    x = 24,580,368.23

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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.