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Finding the Fourth Proportional to 36,937,335.86, 50,978,586.84 and 21,256,038.26

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Solution

The fourth proportional to 36,937,335.86, 50,978,586.84 and 21,256,038.26 is: 29,336,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,937,335.86 : 50,978,586.84 = 21,256,038.26 : x
  2. Step 2: Convert to fraction form
    36,937,335.86/50,978,586.84 = 21,256,038.26/x
  3. Step 3: Cross multiply
    36,937,335.86x = 50,978,586.84 × 21,256,038.26
  4. Step 4: Simplify right side
    36,937,335.86x = 1,083,602,792,311,772.62
  5. Step 5: Solve for x
    x = 1,083,602,792,311,772.62/36,937,335.86
  6. Step 6: Final answer
    x = 29,336,246.57

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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.