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Finding the Fourth Proportional to 64,319.72, 88,763.97 and 37,457.89

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Solution

The fourth proportional to 64,319.72, 88,763.97 and 37,457.89 is: 51,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.72 : 88,763.97 = 37,457.89 : x
  2. Step 2: Convert to fraction form
    64,319.72/88,763.97 = 37,457.89/x
  3. Step 3: Cross multiply
    64,319.72x = 88,763.97 × 37,457.89
  4. Step 4: Simplify right side
    64,319.72x = 3,324,911,024.22
  5. Step 5: Solve for x
    x = 3,324,911,024.22/64,319.72
  6. Step 6: Final answer
    x = 51,693.49

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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.