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Finding the Fourth Proportional to 36,937,337.36, 50,978,588.91 and 21,256,039.76

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Solution

The fourth proportional to 36,937,337.36, 50,978,588.91 and 21,256,039.76 is: 29,336,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,937,337.36 : 50,978,588.91 = 21,256,039.76 : x
  2. Step 2: Convert to fraction form
    36,937,337.36/50,978,588.91 = 21,256,039.76/x
  3. Step 3: Cross multiply
    36,937,337.36x = 50,978,588.91 × 21,256,039.76
  4. Step 4: Simplify right side
    36,937,337.36x = 1,083,602,912,779,655.12
  5. Step 5: Solve for x
    x = 1,083,602,912,779,655.12/36,937,337.36
  6. Step 6: Final answer
    x = 29,336,248.64

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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.