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Finding the Fourth Proportional to 22,907,759.86, 31,611,895.22 and 12,594,407.86

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Solution

The fourth proportional to 22,907,759.86, 31,611,895.22 and 12,594,407.86 is: 17,379,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,907,759.86 : 31,611,895.22 = 12,594,407.86 : x
  2. Step 2: Convert to fraction form
    22,907,759.86/31,611,895.22 = 12,594,407.86/x
  3. Step 3: Cross multiply
    22,907,759.86x = 31,611,895.22 × 12,594,407.86
  4. Step 4: Simplify right side
    22,907,759.86x = 398,133,101,628,264.38
  5. Step 5: Solve for x
    x = 398,133,101,628,264.38/22,907,759.86
  6. Step 6: Final answer
    x = 17,379,835.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.